CISA Adds Seven Known Exploited Vulnerabilities to Catalog

CISA has added seven new vulnerabilities to its Known Exploited Vulnerabilities KEV Catalog, based on evidence of active exploitation. CVE-2008-4250link is external Microsoft Windows Buffer Overflow Vulnerability CVE-2009-1537link is external Microsoft DirectX NULL Byte Overwrite Vulnerability...

Mitigating Log4Shell and Other Log4j-Related Vulnerabilities

CISA, the Federal Bureau of Investigation FBI, the National Security Agency NSA, and the cybersecurity authorities of Australia, Canada, New Zealand, and the United Kingdom have released a joint Cybersecurity Advisory in response to multiple vulnerabilities in Apache’s Log4j software library...

Microsoft Releases Security Advisory for Microsoft XML Core Services

Microsoft has released Security Advisory 2719615 to address a vulnerability in Microsoft XML Core Services 3.0, 4.0, 5.0, and 6.0. This vulnerability may allow an attacker to execute arbitrary code if a user accesses specially crafted web pages using Internet Explorer. According to the advisory,...

CISA Adds Five Known Exploited Vulnerabilities to Catalog

CISA has added five new vulnerabilities to its Known Exploited Vulnerabilities Catalog, based on evidence of active exploitation. CVE-2021-26086link is external Atlassian Jira Server and Data Center Path Traversal Vulnerability CVE-2014-2120link is external Cisco Adaptive Security Appliance ASA...

CISA and Partners Release Guidance for Ongoing Global Exploitation of Cisco SD-WAN Systems

Update May 14, 2026: CISA has updated this Alert to include additional vulnerabilities, CVE-2026-20133 and CVE-2026-20182 and associated resources. The purpose of this Alert is to provide resources for organizations with Cisco Software-Defined Wide-Area Networking SD-WAN systems, including Federa...

Microsoft Warns of Windows Win32k Privilege Escalation

Microsoft has released a security advisory to address an escalation of privileges vulnerability, CVE-2021-1732, in Microsoft Win32k. A local attacker can exploit this vulnerability to take control of an affected system. This vulnerability was detected in exploits in the wild. CISA encourages user...

Apple Releases Security Update to Address CVE-2021-30883

Apple has released a security update to address a vulnerability—CVE-2021-30883—in multiple products. An attacker could exploit this vulnerability to take control of an affected system. This vulnerability has been detected in exploits in the wild. CISA encourages users to review the Apple security...

Google Releases Security Updates for Chrome

Google has released Chrome version 94.0.4606.61 for Windows, Mac, and Linux. This version addresses a vulnerability—CVE-2021-37973—that an attacker could exploit to take control of an affected system. An exploit for this vulnerability exists in the wild. CISA encourages users and administrators t...

CISA Releases Test for Citrix ADC and Gateway Vulnerability

The Cybersecurity and Infrastructure Security Agency CISA has released a utility that enables users and administrators to test whether their Citrix Application Delivery Controller ADC and Citrix Gateway software is susceptible to the CVE-2019-19781 vulnerability. According to Citrix Security...

Citrix Releases Security Updates for Multiple Products

Citrix released security updates to address vulnerabilities in multiple Citrix 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: NetScaler...

Microsoft Releases Security Advisory for Windows Hello for Business

Microsoft has released a Security Advisory to address an issue in Windows Hello for Business WHfB. An attacker could exploit this issue on devices that were affected by CVE-2017-15361, also known as Return of Coppersmith’s Attack ROCA, to take control of an affected system. The Cybersecurity and...

Oracle Patches Apache Vulnerabilities

Oracle has released security updates to address Apache Struts 2 vulnerabilities found across multiple products. A remote attacker could exploit some of these vulnerabilities to take control of an affected system. US-CERT encourages users and administrators to review the Oracle Security Alert and...

ISC Releases Security Updates for BIND

The Internet Systems Consortium ISC has released security updates to address a vulnerability in BIND. Exploitation of this vulnerability may allow a remote attacker to cause a denial of service condition. Updates available include: BIND 9.9.6-P2 BIND 9.10.1-P2 Users and administrators are...

SonicWall Releases Patches for Email Security Products

CISA is aware of three vulnerabilities affecting SonicWall Email Security products: CVE-2021-20021, CVE-2021-20022, and CVE-2021-20023. A remote attacker could exploit these vulnerabilities to take control of an affected system. According to SonicWall, "In at least one known case, these...

Facebook Releases Security Advisory for WhatsApp

Facebook has released a security advisory to address a vulnerability in WhatsApp. A remote attacker could exploit this vulnerability to take control of an affected device. The Cybersecurity and Infrastructure Security Agency CISA encourages users to review the Facebook Security Advisory for...

Apache Releases Security Updates for Apache Tomcat

The Apache Software Foundation has released Apache Tomcat 9.0.1 and 8.5.23 to address a vulnerability in previous versions of the software. A remote attacker could exploit this vulnerability to take control of an affected server. US-CERT encourages users and administrators to review the Apache...

CISA Adds Two Known Exploited Vulnerabilities to Catalog

CISA has added two new vulnerabilities to its Known Exploited Vulnerabilities Catalog, based on evidence of active exploitation. CVE-2023-38035 Ivanti Sentry Authentication Bypass Vulnerability CVE-2023-27532 Veeam Backup & Replication Cloud Connect Missing Authentication for Critical Function...

CISA and FBI Release Alert on Active Exploitation of CVE-2021-44077 in Zoho ManageEngine ServiceDesk Plus

CISA and the Federal Bureau of Investigation FBI have released a joint Cybersecurity Advisory identifying active exploitation of a vulnerability—CVE-2021-44077—in Zoho ManageEngine ServiceDesk Plus. CVE-2021-44077 is an unauthenticated remote code execution vulnerability that affects all...

Linux Kernel Vulnerability

US-CERT is aware of a Linux kernel vulnerability affecting Linux PCs and servers and Android-based devices. Exploitation of this vulnerability may allow an attacker to take control of an affected system. US-CERT recommends that users and administrators review the Redhat Security Blog and the Debi...

CISA and Partners Release Advisory on Ghost (Cring) Ransomware

Today, CISA—in partnership with the Federal Bureau of Investigation FBI and Multi-State Information Sharing and Analysis Center MS-ISAC—released a joint Cybersecurity Advisory, StopRansomware: Ghost Cring Ransomware. This advisory provides network defenders with indicators of compromise IOCs,...

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. These types of vulnerabilities are a frequent attack vector for malicious cyber actors and pose significant risk to the federal enterprise. Note: to view the newly added...

Internet Information Services (IIS) 6.0 Vulnerability

US-CERT is aware of active exploitation of a vulnerability in Windows Server 2003 Operating System Internet Information Services IIS 6.0. Exploitation of this vulnerability may allow a remote attacker to take control of an affected system. On June 15, 2015, Microsoft ended support for Windows...

NCSC Releases Alert on Microsoft SharePoint Vulnerability

The United Kingdom UK National Cyber Security Centre NCSC has released an Alert to address a vulnerability—CVE-2020-16952—affecting Microsoft SharePoint server. An attacker could exploit this vulnerability to take control of an affected system. Applying patches from Microsoft’s October 2020...

Samba Releases Security Update for CVE-2020-1472

The Samba Team has released a security update to address a critical vulnerability—CVE-2020-1472—in multiple versions of Samba. This vulnerability could allow a remote attacker to take control of an affected system. The Cybersecurity and Infrastructure Security Agency CISA encourages users and...

Samba Releases Security Updates

The Samba Team has released security updates to address vulnerabilities in multiple versions of Samba. An attacker could exploit one of these vulnerabilities to take control of an affected system. The Cybersecurity and Infrastructure Security Agency CISA encourages users and administrators to...

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-2019-19006link is external Sangoma FreePBX Improper Authentication Vulnerability CVE-2021-39935link is external GitLab Community and Enterprise Editions...

CISA Adds Six Known Exploited Vulnerabilities to Catalog

CISA has added six new vulnerabilities to its Known Exploited Vulnerabilities Catalog, based on evidence of active exploitation. CVE-2024-38189 Microsoft Project Remote Code Execution Vulnerability CVE-2024-38178 Microsoft Windows Scripting Engine Memory Corruption Vulnerability CVE-2024-38213...

McAfee Releases Security Update for McAfee Agent for Windows 

McAfee has released McAfee Agent for Windows version 5.7.5, which addresses vulnerabilities CVE-2021-31854 and CVE-2022-0166. An attacker could exploit these vulnerabilities to take control of an affected system. CISA encourages users and administrators to review McAfee Security Bulletin SB10378...

Microsoft Releases Guidance for Mitigating PetitPotam NTLM Relay Attacks

On July 23, Microsoft released KB5005413: Mitigating NTLM Relay Attacks on Active Directory Certificate Services AD CS to address a NTLM Relay Attack named PetitPotam. CISA encourages users and administrators to review KB5005413 and apply the necessary mitigations. This product is provided subjec...

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-2024-29824link is external Ivanti Endpoint Manager EPM SQL Injection Vulnerability These types of vulnerabilities are frequent attack vectors for malicious cyber acto...

ISC Releases Security Advisories for BIND

The Internet Systems Consortium ISC has released security advisories that address vulnerabilities affecting multiple versions of ISC Berkeley Internet Name Domain BIND. A remote attacker could exploit these vulnerabilities to cause a denial-of-service condition. CISA encourages users and...

Progress Software Releases Security Bulletin for MOVEit Transfer

Progress Software released a security bulletin to address a vulnerability in MOVEit Transfer. A cyber threat actor could exploit this vulnerability to take control of an affected system. Users and administrators are encouraged to review the following bulletin and apply the necessary updates: MOVE...

Citrix Releases Security Updates for XenServer and Citrix Hypervisor

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

CISA Adds Two Known Exploited Vulnerabilities to Catalog

CISA has added two new vulnerabilities to its Known Exploited Vulnerabilities Catalog, based on evidence of active exploitation. CVE-2024-3272 D-Link Multiple NAS Devices Use of Hard-Coded Credentials Vulnerability CVE-2024-3273 D-Link Multiple NAS Devices Command Injection Vulnerability These...

CISA Releases Cloud Security Technical Reference Architecture

CISA has released its Cloud Security CS Technical Reference Architecture TRA to guide federal civilian departments and agencies in securely migrating to the cloud. Co-authored by CISA, the United States Digital Service, and the Federal Risk and Authorization Management Program, the CS TRA defines...

Microsoft Releases Advisory for Unpatched Windows Vulnerability

Microsoft has released a security advisory to provide recommended mitigations for an unpatched vulnerability, CVE-2014-6352 which affects all Microsoft Windows releases except Windows Server 2003. This vulnerability could allow an attacker to take control of an affected system if a user opens a...

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-2021-22054link is external Omnissa Workspace ONE Server-Side Request Forgery CVE-2025-26399link is external SolarWinds Web Help Desk Deserialization of...

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-2024-1212link is external Progress Kemp LoadMaster OS Command Injection Vulnerability CVE-2024-0012link is external Palo Alto Networks PAN-OS Management Interface...

Apple Releases Security Updates to Address CVE-2021-30858 and CVE-2021-30860

Apple has released security updates to address vulnerabilities—CVE-2021-30858 and CVE-2021-30860—in multiple products. An attacker could exploit these vulnerabilities to take control of an affected device. CISA is aware of public reporting that these vulnerabilities may have been exploited in the...

Multiple Vulnerabilities Affecting Web-Based Court Case and Document Management Systems

CISA has assisted a researcher with coordinating the disclosure of multiple researcher-discovered vulnerabilities affecting web-based case and document management systems used by multiple state, county, and municipal courts. Affected systems include products from Tyler Technologies and Catalis an...

Oracle Patches Bash Vulnerabilities

Oracle has released security updates to address bash vulnerabilities found across multiple products. US-CERT recommends users and administrators review the Oracle Security Article for additional details, and apply updates as necessary. This product is provided subject to this Notification and thi...

Citrix Releases Security Updates for NetScaler ADC and NetScaler Gateway

Citrix released security updates to address vulnerabilities CVE-2023-6548 and CVE-2023-6549 in NetScaler ADC and NetScaler Gateway. 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 Citrix...

Unpatched VMware vCenter Software

CISA is aware of the likelihood that cyber threat actors are attempting to exploit CVE-2021-21985, a remote code execution vulnerability in VMware vCenter Server and VMware Cloud Foundation. Although patches were made available on May 25, 2021, unpatched systems remain an attractive target and...

Security Researchers Reveal Activity Targeting ManageEngine ADSelfService Plus

On September 16, CISA released a joint alert on exploitation of a vulnerability CVE-2021-40539 in ManageEngine ADSelfService Plus. On November 8, security researchers from Palo Alto Networks and Microsoft Threat Intelligence Center MSTIC released separate reports on targeted attacks against...

Microsoft Releases Security Advisory for Internet Explorer

Microsoft has released Security Advisory 2887505 regarding a remote code execution vulnerability CVE-2013-3893 impacting Internet Explorer versions 6 through 11. Microsoft is aware of targeted attacks that attempt to exploit this vulnerability in Internet Explorer 8 and Internet Explorer 9. The...

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-2026-10520link is external Ivanti Sentry OS Command Injection Vulnerability This type of vulnerability is a frequent attack vector for malicious cyber actors and...

CERT/CC Releases Information on Critical Vulnerability in Microsoft Windows Netlogon Remote Protocol

The CERT Coordination Center CERT/CC has released information on CVE-2020-1472, a vulnerability affecting Microsoft Windows Netlogon Remote Protocol. An unauthenticated attacker could exploit this vulnerability to obtain Active Directory domain administrator access. Although Microsoft provided...

Microsoft Releases Advisory to Address Critical Remote Code Execution Vulnerability (CVE-2022-26809)

Microsoft has released an advisory to address CVE-2022-26809, a critical remote code execution vulnerability in Remote Procedure Call Runtime Library. A remote, unauthenticated attacker could exploit this vulnerability to take control of an affected system. CISA encourages users and administrator...

IRS Launches “Identity Theft Central” Webpage

The Internal Revenue Service IRS has launched its “Identity Theft Central” webpage to provide 24/7 access to online information regarding tax-related identity theft and data security protection. Tax-related identity theft occurs when someone steals personal information to commit tax fraud. The...

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-2018-4063link is external Sierra Wireless AirLink ALEOS Unrestricted Upload of File with Dangerous Type Vulnerability This type of vulnerability is a frequent...