APWG Fax Back Phishing Education Program

In an effort to respond to a growing public threat by offline phishers that conduct various scams via fax, the Anti-phishing Working Group APWG has partnered with the Internal Revenue Service IRS to create the APWG Fax Back Phishing Education Program. This program is designed to provide...

Microsoft Releases Security Advisory

Microsoft has released a security advisory indicating that it is aware of a remote attack vector for a class of vulnerabilities related to how applications load external dynamic link libraries DLLs. If an application does not securely load DLL files, an attacker may be able to cause the applicati...

Cisco IOS Software Vulnerability

Cisco has released a security advisory to address a vulnerability affecting IOS Software Release 15.12T. This vulnerability may allow an attacker to cause a denial-of-service condition by sending a specially crafted packet through normal network traffic. US-CERT encourages users and administrator...

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...

Oracle Critical Patch Update Pre-Release Announcement

Oracle has issued a critical patch update pre-release announcement indicating that its July release will contain 59 new vulnerability fixes. Release of the critical patch update is scheduled for Tuesday, July 13, 2010. US-CERT encourages users and administrators to review the pre-release...

Microsoft Releases Advance Notification for June Security Bulletin

Microsoft has issued a Security Bulletin Advance Notification, indicating that its June release will contain ten bulletins. Three of these bulletins will have the severity rating of critical and will be for Microsoft Windows and Internet Explorer. The remaining bulletins will have the severity...

Microsoft Revokes Security Update

The Microsoft Security Response Center has posted a blog entry indicating that it has revoked the update related to Microsoft security bulletin MS10-025 because it does not effectively correct the underlying vulnerability. This vulnerability affects Windows Media Services running on Windows 2000...

Google Releases Chrome 4.1.249.1059

Google has released Chrome 4.1.249.1059 for Windows to address multiple vulnerabilities. These vulnerabilities may allow an attacker to execute arbitrary code, conduct cross-site scripting attacks, or conduct cross-site request forgery attacks. US-CERT encourages users and administrators to revie...

VMware Releases Security Advisory VMSA-2010-0007

VMware has released security advisory VMSA-2010-0007 to address multiple vulnerabilities in VMware hosted products, vCENTER Server and ESX. Exploitation of these vulnerabilities may allow an attacker to execute arbitrary code, operate with elevated privileges, obtain sensitive information, or cau...

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...

Microsoft Releases Security Advisory to Address VBScript Vulnerability

Microsoft has released a security advisory to address a vulnerability in VBScript. The advisory indicates that this vulnerability exists in the way that VBScript interacts with Windows Help files when using Internet Explorer. By convincing a user to view a specially crafted HTML document web page...

Microsoft Releases Cumulative Security Update for Internet Explorer

Microsoft has released Security Bulletin MS10-002 as a Cumulative Security Update for Internet Explorer. This update addresses multiple vulnerabilities that when exploited, may allow an attacker to execute arbitrary code. US-CERT encourages users and administrators to review Microsoft Security...

IRS Warns of Online Scams

US-CERT is aware of reports of tax season phishing scams. The U.S. Internal Revenue Service has issued a news release on its website warning consumers about potential scams. These scams are circulating via fraudulent email or other online messages appearing to come from the IRS. They attempt to...

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-2026-39987link is external Marimo Remote Code Execution Vulnerability This type of vulnerability is a frequent attack vector for malicious cyber actors and poses...

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...

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-2026-20045link is external Cisco Unified Communications Products Code Injection Vulnerability This type of vulnerability is a frequent attack vector for malicious...

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-2025-64446link is external Fortinet FortiWeb Path Traversal Vulnerability This type of vulnerability is a frequent attack vector for malicious cyber actors and...

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-2025-11371link is external Gladinet CentreStack and Triofox Files or Directories Accessible to External Parties Vulnerability CVE-2025-48703link is external CWP...

New Guidance Released on Microsoft Exchange Server Security Best Practices

Today, CISA, in partnership with the National Security Agency and international cybersecurity partners, released Microsoft Exchange Server Security Best Practices, a guide to help network defenders harden on-premises Exchange servers against exploitation by malicious actors. Threat activity...

CISA Adds Five Known Exploited Vulnerabilities to Catalog

CISA has added five new vulnerabilities to its Known Exploited Vulnerabilities KEV Catalog, based on evidence of active exploitation. CVE-2022-48503link is external Apple Multiple Products Unspecified Vulnerability CVE-2025-2746link is external Kentico Xperience Staging Sync Server Digest Passwor...

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-2021-43798link is external Grafana Path Traversal Vulnerability This type of vulnerability is a frequent attack vector for malicious cyber actors and poses...

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-2025-43300link is external Apple iOS, iPadOS, and macOS Out-of-Bounds Write Vulnerability This type of vulnerability is a frequent attack vector for malicious cyb...

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 Malware Analysis Report Associated with Microsoft SharePoint Vulnerabilities

CISA published a Malware Analysis Report MAR with analysis and associated detection signatures on files related to Microsoft SharePoint vulnerabilities: CVE-2025-49704link is external CWE-94: Code Injectionlink is external, CVE-2025-49706link is external CWE-287: Improper Authenticationlink is...

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 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-2025-20281link is external Cisco Identity Services Engine Injection Vulnerability CVE-2025-20337link is external Cisco Identity Services Engine Injection...

CISA Adds One Known Exploited Vulnerability, CVE-2025-53770 “ToolShell,” to Catalog

CISA has added one new vulnerability to its Known Exploited Vulnerabilities Catalog, based on evidence of active exploitation. See CISA’s Alert Microsoft Releases Guidance on Exploitation of SharePoint Vulnerability CVE-2025-53770 for more information and to apply the recommended mitigations...

CISA Releases Six Industrial Control Systems Advisories

CISA released six Industrial Control Systems ICS advisories on July 15, 2025. These advisories provide timely information about current security issues, vulnerabilities, and exploits surrounding ICS. ICSA-25-196-01 Hitachi Energy Asset Suite ICSA-25-196-02 ABB RMC-100 ICSA-25-196-03 LITEON IC48A...

CISA Adds Four Known Exploited Vulnerabilities to Catalog

CISA has added four new vulnerabilities to its Known Exploited Vulnerabilities KEV Catalog, based on evidence of active exploitation. CVE-2014-3931link is external Multi-Router Looking Glass MRLG Buffer Overflow Vulnerability CVE-2016-10033link is external PHPMailer Command Injection Vulnerabilit...

CISA Releases Five Industrial Control Systems Advisories

CISA released five Industrial Control Systems ICS advisories on May 8, 2025. These advisories provide timely information about current security issues, vulnerabilities, and exploits surrounding ICS. ICSA-25-128-01 Horner Automation Cscape ICSA-25-128-02 Hitachi Energy RTU500 series ICSA-25-128-03...

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 Releases Six Industrial Control Systems Advisories

CISA released six Industrial Control Systems ICS advisories on November 26, 2024. These advisories provide timely information about current security issues, vulnerabilities, and exploits surrounding ICS. ICSA-24-331-01 Schneider Electric PowerLogic PM55xx and PowerLogic PM8ECC ICSA-24-331-02...

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-2023-28461link is external Array Networks AG and vxAG ArrayOS Improper Authentication Vulnerability These types of vulnerabilities are frequent attack vectors for...

JCDC’s Industry-Government Collaboration Speeds Mitigation of CrowdStrike IT Outage

CISA, through the Joint Cyber Defense Collaborative JCDC, enabled swift, coordinated response and information sharing in the wake of a significant IT outage caused by a CrowdStrike software update. This outage, which impacted government, critical infrastructure, and industry across the globe, led...

CISA, US, and International Partners Release Joint Guidance to Assist Software Manufacturers with Safe Software Deployment Processes

Today, CISA—along with U.S. and international partners—released joint guidance, Safe Software Deployment: How Software Manufacturers Can Ensure Reliability for Customers. This guide aids software manufacturers in establishing secure software deployment processes to help ensure software is reliabl...

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-2021-20123link is external Draytek VigorConnect Path Traversal Vulnerability CVE-2021-20124link is external Draytek VigorConnect Path Traversal Vulnerability...

Microsoft Releases July 2024 Security Updates

Microsoft released security updates to address vulnerabilities in multiple products. A cyber threat actor could exploit some of these vulnerabilities to take control of an affected system. CISA encourages users and administrators to review the following and apply necessary updates: Microsoft...

Microsoft Releases May 2024 Security Updates

Microsoft has released security updates to address vulnerabilities in multiple products. A cyber threat actor could exploit some of these vulnerabilities to take control of an affected system. Users and administrators are encouraged to review the following advisory and apply the necessary updates...

Moby and Open Container Initiative Release Critical Updates for Multiple Vulnerabilities Affecting Docker-related Components

Moby and the Open Container Initiative OCI have released updates for multiple vulnerabilities CVE-2024-23651, CVE-2024-23652, CVE-2024-23653, CVE-2024-21626 affecting Docker-related components, including Moby BuildKit and OCI runc. A cyber threat actor could exploit these vulnerabilities to take...

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-2023-29357 Microsoft SharePoint Server Privilege Escalation Vulnerability These types of vulnerabilities are frequent attack vectors for malicious cyber actors and po...

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-2023-5217 Google Chrome libvpx Heap Buffer Overflow Vulnerability These types of vulnerabilities are frequent attack vectors for malicious cyber actors and pose...

CISA Adds One Known Vulnerability to Catalog

CISA has added one new vulnerability to its Known Exploited Vulnerabilities Catalog, based on evidence of active exploitation. CVE-2023-26369 Adobe Acrobat and Reader Out-of-Bounds Write Vulnerability These types of vulnerabilities are frequent attack vectors for malicious cyber actors and pose...

Juniper Networks Releases Security Advisory for Junos OS and Junos OS Evolved

Juniper Networks has released a security advisory to address a vulnerability for Junos OS and Junos OS Evolved. A cyber threat actor could exploit this vulnerability to cause a denial-of-service condition. CISA encourages users and administrators to review Juniper’s Support Portallink is external...

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-2023-38180 Microsoft .NET Core and Visual Studio Denial of Service Vulnerability These types of vulnerabilities are frequent attack vectors for malicious cyber actors...

CISA Requests for Comment on Secure Software Self-Attestation Form

CISA has issued requests for comment on the Secure Software Self-Attestation Form. CISA, in coordination with the Office of Budget and Management OMB, released proposed guidance on secure software. This guidance seeks to secure software leveraged by the federal government. CISA expects agencies t...

CISA and Partners Release Cybersecurity Best Practices for Smart Cities

Today, CISA, NSA, FBI, NCSC-UKlink is external, ACSClink is external, CCCSlink is external and NCSC-NZlink is external released a joint guide: Cybersecurity Best Practices for Smart Cities. Smart cities may create safer, more efficient, resilient communities through technological innovation and...

Mozilla Releases Security Updates for Firefox 110 and Firefox ESR

Mozilla has released security updates to address vulnerabilities in Firefox 110 and Firefox ESR. An attacker could exploit these vulnerabilities to take control of an affected system. CISA encourages users and administrators to review Mozilla’s security advisories for Firefox 110 and Firefox ESR...

Mozilla Releases Security Updates for Firefox

Mozilla has released security updates to address vulnerabilities in Firefox ESR and Firefox. An attacker could exploit some of these vulnerabilities to take control of an affected system. CISA encourages users and administrators to review Mozilla’s security advisories for Firefox ESR 102.7 and...

CISA Releases Two Industrial Control Systems Advisories

CISA released two Industrial Control Systems ICS advisories on January 10, 2023. These advisories provide timely information about current security issues, vulnerabilities, and exploits surrounding ICS. CISA encourages users and administrators to review the newly released ICS advisories for...