Apple Releases Mac OS X v10.6.6

Apple has released Mac OS X v10.6.6 to address a vulnerability affecting PackageKit. Exploitation of this vulnerability may allow an attacker to execute arbitrary code or cause a denial-of-service condition. US-CERT encourages users and administrators to review Apple article HT4498 and apply any...

RealNetworks Releases Security Update for RealPlayer Vulnerabilities

RealNetworks has issued a Security Update to address multiple vulnerabilities affecting RealPlayer. Exploitation of these vulnerabilities may allow an attacker to execute arbitrary code. US-CERT encourages users and administrators to review the RealNetworks security advisory and apply any necessa...

Microsoft Releases Advance Notification for Out-of-Band Security Bulletin

Microsoft has issued a Security Bulletin Advance Notification indicating that it will be releasing an out-of-band security bulletin to address a vulnerability affecting Windows. The Microsoft SharePoint Team blog indicates that this bulletin will address the recently reported vulnerability in...

Adobe Releases Security Update for Flash Player

Adobe has released Flash Player 10.1.82.76 to address multiple vulnerabilities. These vulnerabilities may allow an attacker to execute arbitrary code or cause a denial-of-service condition. This vulnerability also affects Adobe Air 2.0.2.12310 and earlier versions. US-CERT encourages users and...

Google Releases Chrome 5.0.375.126

Google has released Chrome 5.0.375.126 for Linux, Mac, and Windows. Chrome 5.0.375.126 contains an updated version of the Flash plugin which addresses multiple vulnerabilities. Exploitation of these vulnerabilities may allow an attacker to execute arbitrary code. US-CERT encourages users and...

Microsoft Releases Advance Notification for August Security Bulletin

Microsoft has issued a Security Bulletin Advance Notification indicating that its August release will contain 14 bulletins. Eight bulletins will have the severity rating of critical and will be for Microsoft Windows, Internet Explorer, Office, and Silverlight. The remaining six bulletins will hav...

Microsoft Releases Out-of-Band Security Bulletin to Address Shortcut Vulnerability

Microsoft has released security bulletin MS10-046 to address a critical vulnerability affecting Microsoft Windows. This vulnerability is due to the failure of Microsoft Windows to properly obtain icons for shortcut files. By convincing a user to display a specially crafted shortcut file, a remote...

Opera Software Releases Opera 10.53

Opera Software has released Opera 10.53 to address a vulnerability. Exploitation of this vulnerability may allow an attacker to execute arbitrary code. US-CERT encourages users and administrators to review the Opera Software security advisory related to this vulnerability and upgrade to Opera 10....

Cisco Releases Security Advisory

Cisco has released a security advisory to address a vulnerability in Cisco Secure Desktop. Cisco Secure Desktop contains a vulnerable ActiveX control that may allow an attacker to execute arbitrary code. US-CERT encourages users and administrators to review Cisco security advisory...

Adobe Releases Guidance for Launch Functionality Mitigation in Acrobat and Reader

Adobe has released a blog entry addressing a vulnerability in Acrobat and Reader. This vulnerability exists due to the way in which Adobe Acrobat and Adobe Reader handle launch actions embedded in PDFs. When users open a PDF that contains a launch action, they are presented with a dialog box...

VMware Releases Security Advisory for ESX Service Console Updates

VMware has released a security advisory to address vulnerabilities in the Samba and acpid packages of ESX Service Console. These vulnerabilities may allow an attacker to cause a denial-of-service condition, obtain sensitive information or bypass security restrictions. US-CERT encourages users and...

US Tax Season Phishing Scams and Malware Campaigns

In the past, US-CERT has received reports of an increased number of phishing scams and malware campaigns that take advantage of the United States tax season. Due to the upcoming tax deadline, US-CERT reminds users to remain cautious when receiving unsolicited email that could be part of a potenti...

Apple Releases Safari 4.0.5

Apple has released Safari 4.0.5 to address multiple vulnerabilities in ColorSync, ImageIO, PubSub, Safari, and WebKit. These vulnerabilities may allow a remote attacker to execute arbitrary code, cause a denial-of-service condition, obtain sensitive information, or bypass security restrictions...

Microsoft Releases February Security Bulletin

Microsoft has released an update to address vulnerabilities in Microsoft Windows and Office as part of the Microsoft Security Bulletin Summary for February 2010. These vulnerabilities may allow an attacker to execute arbitrary code, cause a denial-of-service condition, or operate with elevated...

Apple Releases Security Update 2010-001

Apple has released Security Update 2010-001 to address multiple vulnerabilities in a number of applications. These vulnerabilities may allow an attacker to execute arbitrary code or cause a denial-of-service condition. US-CERT encourages users and administrators to review Apple article HT4004 and...

CISA Adds One Known Exploited Vulnerability to Catalog

CISA has added one new vulnerability to its Known Exploited Vulnerabilities KEV Catalog, based on evidence of active exploitation. CVE-2026-3502link is external TrueConf Client Download of Code Without Integrity Check Vulnerability This type of vulnerability is a frequent attack vector for...

CISA Adds One Known Exploited Vulnerability to Catalog

CISA has added one new vulnerability to its Known Exploited Vulnerabilities KEV Catalog, based on evidence of active exploitation. CVE-2025-53521link is external F5 BIG-IP Remote Code Execution Vulnerability This type of vulnerability is a frequent attack vector for malicious cyber actors and pos...

CISA Adds Two Known Exploited Vulnerabilities to Catalog

CISA has added two new vulnerabilities to its Known Exploited Vulnerabilities KEV Catalog, based on evidence of active exploitation. CVE-2022-20775link is external Cisco Catalyst SD-WAN Path Traversal Vulnerability CVE-2026-20127link is external Cisco Catalyst SD-WAN Controller and Manager...

NIST and CISA Release Draft Interagency Report on Protecting Tokens and Assertions from Tampering Theft and Misuse for Public Comment

The Cybersecurity and Infrastructure Security Agency CISA and National Institute of Standards and Technology NIST have released an initial draft of Interagency Report IR 8597 Protecting Tokens and Assertions from Forgery, Theft, and Misuse for public comment through January 30, 2026. This report ...

CISA Adds Three Known Exploited Vulnerabilities to Catalog

CISA has added three new vulnerabilities to its Known Exploited Vulnerabilities KEV Catalog, based on evidence of active exploitation. CVE-2025-20393link is external Cisco Multiple Products Improper Input Validation Vulnerability CVE-2025-40602link is external SonicWall SMA1000 Missing...

CISA Adds One Known Exploited Vulnerability to Catalog

Updated December 9, 2025: Check for signs of potential compromise on all internet accessible REACT instances after applying mitigations. For more information, see React Blog: Critical Security Vulnerability in React Server Componentslink is external. CISA has added one new vulnerability to its...

CISA Adds Two Known Exploited Vulnerabilities to Catalog

CISA has added two new vulnerabilities to its Known Exploited Vulnerabilities KEV Catalog, based on evidence of active exploitation. CVE-2025-6204link is external Dassault Systèmes DELMIA Apriso Code Injection Vulnerability CVE-2025-6205link is external Dassault Systèmes DELMIA Apriso Missing...

CISA Releases Three Industrial Control Systems Advisories

CISA released three Industrial Control Systems ICS advisories on August 26, 2025. These advisories provide timely information about current security issues, vulnerabilities, and exploits surrounding ICS. ICSA-25-238-01 INVT VT-Designer and HMITool ICSA-25-238-03 Schneider Electric Modicon M340...

CISA Issues ED 25-02: Mitigate Microsoft Exchange Vulnerability

Today, CISA issued Emergency Directive ED 25-02: Mitigate Microsoft Exchange Vulnerability in response to CVE-2025-53786link is external, a vulnerability in Microsoft Exchange server hybrid deployments. ED 25-02 directs all Federal Civilian Executive Branch FCEB agencies with Microsoft Exchange...

CISA Releases Two Industrial Control Systems Advisories

CISA released two Industrial Control Systems ICS advisories on August 5, 2025. These advisories provide timely information about current security issues, vulnerabilities, and exploits surrounding ICS. ICSA-25-217-01 Mitsubishi Electric Iconics Digital Solutions Multiple Products ICSA-25-217-02 Ti...

CISA Adds One Known Exploited Vulnerability to Catalog

CISA has added one new vulnerability to its Known Exploited Vulnerabilities KEV Catalog, based on evidence of active exploitation. CVE-2025-5777link is external Citrix NetScaler ADC and Gateway Out-of-Bounds Read Vulnerability These types of vulnerabilities are frequent attack vectors for malicio...

CISA Adds One Known Exploited Vulnerability to Catalog

CISA has added one new vulnerability to its Known Exploited Vulnerabilities KEV Catalog, based on evidence of active exploitation. CVE-2023-0386link is external Linux Kernel Improper Ownership Management Vulnerability These types of vulnerabilities are frequent attack vectors for malicious cyber...

CISA Releases Two Industrial Control Systems Advisories

CISA released two Industrial Control Systems ICS advisories on February 18, 2025. These advisories provide timely information about current security issues, vulnerabilities, and exploits surrounding ICS. ICSA-24-191-01 Delta Electronics CNCSoft-G2 Update A ICSA-25-035-02 Rockwell Automation...

CISA Adds One Known Exploited Vulnerability to Catalog

CISA has added one vulnerability to its Known Exploited Vulnerabilities Catalog, based on evidence of active exploitation. CVE-2025-0994link is external Trimble Cityworks Deserialization Vulnerability These types of vulnerabilities are frequent attack vectors for malicious cyber actors and pose...

CISA Releases Twelve Industrial Control Systems Advisories

CISA released twelve Industrial Control Systems ICS advisories on January 16, 2025. These advisories provide timely information about current security issues, vulnerabilities, and exploits surrounding ICS. ICSA-25-016-01 Siemens Mendix LDAP ICSA-25-016-02 Siemens Industrial Edge Management...

CISA Releases Eight Industrial Control Systems Advisories

CISA released eight Industrial Control Systems ICS advisories on December 3, 2024. These advisories provide timely information about current security issues, vulnerabilities, and exploits surrounding ICS. ICSA-24-338-01 Ruijie Reyee OS ICSA-24-338-02 Siemens RUGGEDCOM APE1808 ICSA-24-338-03 Open...

USDA Releases Success Story Detailing the Implementation of Phishing-Resistant Multifactor Authentication

Today, the Cybersecurity and Infrastructure Security Agency CISA and the U.S. Department of Agriculture USDA released Phishing-Resistant Multifactor Authentication MFA Success Story: USDA’s FIDO Implementation. This report details how USDA successfully implemented phishing-resistant authenticatio...

ASD’s ACSC, CISA, and US and International Partners Release Guidance on Detecting and Mitigating Active Directory Compromises

Today, the Australian Signals Directorate Australian Cyber Security Centre ASD ACSC, the Cybersecurity and Infrastructure Security Agency CISA, and other U.S. and international partners released the joint guide Detecting and Mitigating Active Directory Compromiseslink is external. This guide...

CISA and Partners Release Advisory on RansomHub Ransomware

Today, CISA—in partnership with the Federal Bureau of Investigation FBI, Multi-State Information Sharing and Analysis Center MS-ISAC, and Department of Health and Human Services HHS—released a joint Cybersecurity Advisory, StopRansomware: RansomHub Ransomware. This advisory provides network...

ASD’s ACSC, CISA, FBI, and NSA, with the support of International Partners Release Best Practices for Event Logging and Threat Detection

Today, the Australian Signals Directorate’s Australian Cyber Security Centre ASD’s ACSC, CISA, FBI, NSA, and international partners are releasing Best Practices for Event Logging and Threat Detectionlink is external. This guide will assist organizations in defining a baseline for event logging to...

CISA Adds One Known Exploited Vulnerability to Catalog

CISA has added one new vulnerability to its Known Exploited Vulnerabilities Catalog, based on evidence of active exploitation. CVE-2024-28986 SolarWinds Web Help Desk Deserialization of Untrusted Data Vulnerability These types of vulnerabilities are frequent attack vectors for malicious cyber...

CISA Adds One Known Exploited Vulnerability to Catalog

CISA has added one new vulnerability to its Known Exploited Vulnerabilities Catalog, based on evidence of active exploitation. CVE-2018-0824 Microsoft COM for Windows Deserialization of Untrusted Data Vulnerability These types of vulnerabilities are frequent attack vectors for malicious cyber...

DigiCert Certificate Revocations

Update 9:00 a.m., EDT, July 31, 2024: DigiCert has provided updated information and revocation timelines which can be found by visiting: https://status.digicert.com/link is external CISA encourages customers to contact DigiCert if unable to reissue/rekey certificates by the updated revocation...

CISA Adds Two Known Exploited Vulnerabilities to Catalog

CISA has added one new vulnerability to its Known Exploited Vulnerabilities Catalog, based on evidence of active exploitation. CVE-2024-24919 Check Point Quantum Security Gateways Information Disclosure Vulnerability CVE-2024-1086 Linux Kernel Use-After-Free Vulnerability These types of...

CISA Adds One Known Exploited Vulnerability to Catalog

CISA has added one new vulnerability to its Known Exploited Vulnerabilities Catalog, based on evidence of active exploitation. CVE-2020-17519 Apache Flink Improper Access Control Vulnerability These types of vulnerabilities are frequent attack vectors for malicious cyber actors and pose significa...

CISA Adds One Known Exploited Vulnerability to Catalog

CISA has added one new vulnerability to its Known Exploited Vulnerabilities Catalog, based on evidence of active exploitation. CVE-2023-7028 GitLab Community and Enterprise Editions Improper Access Control Vulnerability These types of vulnerabilities are frequent attack vectors for malicious cybe...

CISA Adds One Known Exploited Vulnerability to Catalog

CISA has added one new vulnerability to its Known Exploited Vulnerabilities Catalog, based on evidence of active exploitation. CVE-2023-24955 Microsoft SharePoint Server Code Injection Vulnerability These types of vulnerabilities are frequent attack vectors for malicious cyber actors and pose...

CISA and FBI Release Secure by Design Alert to Urge Manufacturers to Eliminate SQL Injection Vulnerabilities

Today, CISA and the Federal Bureau of Investigation FBI released a joint Secure by Design Alert, Eliminating SQL Injection Vulnerabilities in Software. This Alert was crafted in response to a recent, well-publicized exploitation of SQL injection SQLi defects in a managed file transfer application...

CISA Releases Microsoft 365 Secure Configuration Baselines and SCuBAGear Tool

CISA has published the finalized Microsoft 365 Secure Configuration Baselines, designed to bolster the security and resilience of organizations’ Microsoft 365 M365 cloud services. This guidance release is accompanied by the updated SCuBAGear toollink is external that assesses organizations’ M365...

The Apache Software Foundation Updates Struts 2

The Apache Software Foundation has released security updates to address a vulnerability CVE-2023-50164 in Struts 2. A remote attacker could exploit this vulnerability to take control of an affected system. Users and administrators are encouraged to review the Apache Security Bulletinlink is...

Atlassian Releases Security Advisories for Multiple Products

Atlassian has released security updates to address vulnerabilities affecting multiple Atlassian products. A cyber threat actor could exploit one of these vulnerabilities to take control of an affected system. CISA encourages users and administrators to review the following advisories and apply th...

CISA, FBI, MS-ISAC, and ASD’s ACSC Release Advisory on LockBit Affiliates Exploiting Citrix Bleed

Today, the Cybersecurity and Infrastructure Security Agency CISA, Federal Bureau of Investigation FBI, Multi-State Information Sharing & Analysis Center MS-ISAC, and Australian Signals Directorate’s Australian Cyber Security Center ASD’s ACSC released a joint Cybersecurity Advisory CSA,...

CISA Adds Three Known Exploited Vulnerabilities to Catalog

CISA has added three new vulnerabilities to its Known Exploited Vulnerabilities Catalog, based on evidence of active exploitation. CVE-2023-36584 Microsoft Windows Mark of the Web MOTW Security Feature Bypass Vulnerability CVE-2023-1671 Sophos Web Appliance Command Injection Vulnerability...

Fortinet Releases Security Updates for FortiClient and FortiGate

Fortinet has released security advisories addressing vulnerabilities in FortiClient and FortiGate. Cyber threat actors may exploit some of these vulnerabilities to take control of an affected system. CISA encourages users and administrators to review the following Fortinet security advisories and...

Fortinet Releases Security Update for FortiOS

Fortinet has released a security update to address a vulnerability CVE-2023-29182 affecting FortiOS. A remote attacker can exploit this vulnerability to take control of an affected system. CISA encourages users and administrators to review the Fortinet security release FG-IR-23-149link is externa...