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Search the locally synchronized CISA known-exploited vulnerabilities catalog, or enter a CVE ID or keyword to search the broader NIST National Vulnerability Database. NVD searches are retrieved on demand and may be rate limited.

Last successful sync: 2026-11-07 22:40:39 UTC · Source catalog updated: 2026-11-06T19:44:45.1797Z · 1769 records in latest import.

CISA Known Exploited Vulnerabilities · 1769 matches

CVE-2021-30633 · KEV 2021-11-03

Google Chromium Indexed DB API Use-After-Free Vulnerability

Google — Chromium Indexed DB API

Google Chromium Indexed DB API contains a use-after-free vulnerability that allows a remote attacker, who has compromised the renderer process, to potentially perform a sandbox escape via a crafted HTML page. This vulnerability could affect…

CVE-2021-30632 · KEV 2021-11-03

Google Chromium V8 Out-of-Bounds Write Vulnerability

Google — Chromium V8

Google Chromium V8 Engine contains an out-of-bounds write vulnerability that allows a remote attacker to potentially exploit heap corruption via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromiu…

CVE-2021-30563 · KEV 2021-11-03

Google Chromium V8 Type Confusion Vulnerability

Google — Chromium V8

Google Chromium V8 Engine contains a type confusion vulnerability that allows a remote attacker to potentially exploit heap corruption via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, inc…

CVE-2021-30554 · KEV 2021-11-03

Google Chromium WebGL Use-After-Free Vulnerability

Google — Chromium WebGL

Google Chromium WebGL contains a use-after-free vulnerability that allows a remote attacker to potentially exploit heap corruption via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, includi…

CVE-2021-30551 · KEV 2021-11-03

Google Chromium V8 Type Confusion Vulnerability

Google — Chromium V8

Google Chromium V8 Engine contains a type confusion vulnerability that allows a remote attacker to potentially exploit heap corruption via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, inc…

CVE-2021-30116 · KEV 2021-11-03

Kaseya Virtual System/Server Administrator (VSA) Information Disclosure Vulnerability

Kaseya — Virtual System/Server Administrator (VSA)

Kaseya Virtual System/Server Administrator (VSA) contains an information disclosure vulnerability allowing an attacker to obtain the sessionId that can be used to execute further attacks against the system.

Ransomware use reported
CVE-2021-28664 · KEV 2021-11-03

Arm Mali Graphics Processing Unit (GPU) Unspecified Vulnerability

Arm — Mali Graphics Processing Unit (GPU)

Arm Mali Graphics Processing Unit (GPU) kernel driver contains an unspecified vulnerability that may allow a non-privileged user to gain write access to read-only memory, gain root privilege, corrupt memory, and modify the memory of other p…

CVE-2021-28663 · KEV 2021-11-03

Arm Mali Graphics Processing Unit (GPU) Use-After-Free Vulnerability

Arm — Mali Graphics Processing Unit (GPU)

Arm Mali Graphics Processing Unit (GPU) kernel driver contains a use-after-free vulnerability that may allow a non-privileged user to make improper operations on GPU memory to gain root privilege, and/or disclose information.

CVE-2021-28550 · KEV 2021-11-03

Adobe Acrobat and Reader Use-After-Free Vulnerability

Adobe — Acrobat and Reader

Adobe Acrobat and Reader contains a use-after-free vulnerability that could allow an unauthenticated attacker to achieve code execution in the context of the current user.

CVE-2021-28310 · KEV 2021-11-03

Microsoft Win32k Privilege Escalation Vulnerability

Microsoft — Win32k

Microsoft Windows Win32k contains an unspecified vulnerability that allows for privilege escalation.

CVE-2021-27562 · KEV 2021-11-03

Arm Trusted Firmware Out-of-Bounds Write Vulnerability

Arm — Trusted Firmware

Arm Trusted Firmware contains an out-of-bounds write vulnerability allowing the non-secure (NS) world to trigger a system halt, overwrite secure data, or print out secure data when calling secure functions under the non-secure processing en…

CVE-2021-27561 · KEV 2021-11-03

Yealink Device Management Server-Side Request Forgery (SSRF) Vulnerability

Yealink — Device Management

Yealink Device Management contains a server-side request forgery (SSRF) vulnerability that allows for unauthenticated remote code execution.

CVE-2021-27104 · KEV 2021-11-03

Accellion FTA OS Command Injection Vulnerability

Accellion — FTA

Accellion FTA contains an OS command injection vulnerability exploited via a crafted POST request to various admin endpoints.

Ransomware use reported
CVE-2021-27103 · KEV 2021-11-03

Accellion FTA Server-Side Request Forgery (SSRF) Vulnerability

Accellion — FTA

Accellion FTA contains a server-side request forgery (SSRF) vulnerability exploited via a crafted POST request to wmProgressstat.html.

Ransomware use reported
CVE-2021-27102 · KEV 2021-11-03

Accellion FTA OS Command Injection Vulnerability

Accellion — FTA

Accellion FTA contains an OS command injection vulnerability exploited via a local web service call.

Ransomware use reported
CVE-2021-27101 · KEV 2021-11-03

Accellion FTA SQL Injection Vulnerability

Accellion — FTA

Accellion FTA contains a SQL injection vulnerability exploited via a crafted host header in a request to document_root.html.

Ransomware use reported
CVE-2021-27085 · KEV 2021-11-03

Microsoft Internet Explorer Remote Code Execution Vulnerability

Microsoft — Internet Explorer

Microsoft Internet Explorer contains an unspecified vulnerability that allows for remote code execution.

CVE-2021-27065 · KEV 2021-11-03

Microsoft Exchange Server Remote Code Execution Vulnerability

Microsoft — Exchange Server

Microsoft Exchange Server contains an unspecified vulnerability that allows for remote code execution. This vulnerability is part of the ProxyLogon exploit chain.

Ransomware use reported
CVE-2021-27059 · KEV 2021-11-03

Microsoft Office Remote Code Execution Vulnerability

Microsoft — Office

Microsoft Office contains an unspecified vulnerability that allows for remote code execution.

CVE-2021-26858 · KEV 2021-11-03

Microsoft Exchange Server Remote Code Execution Vulnerability

Microsoft — Exchange Server

Microsoft Exchange Server contains an unspecified vulnerability that allows for remote code execution. This vulnerability is part of the ProxyLogon exploit chain.

Ransomware use reported
CVE-2021-26857 · KEV 2021-11-03

Microsoft Exchange Server Remote Code Execution Vulnerability

Microsoft — Exchange Server

Microsoft Exchange Server contains an unspecified vulnerability that allows for remote code execution. This vulnerability is part of the ProxyLogon exploit chain.

Ransomware use reported
CVE-2021-26855 · KEV 2021-11-03

Microsoft Exchange Server Remote Code Execution Vulnerability

Microsoft — Exchange Server

Microsoft Exchange Server contains an unspecified vulnerability that allows for remote code execution. This vulnerability is part of the ProxyLogon exploit chain.

Ransomware use reported
CVE-2021-26411 · KEV 2021-11-03

Microsoft Internet Explorer Memory Corruption Vulnerability

Microsoft — Internet Explorer

Microsoft Internet Explorer contains an unspecified vulnerability that allows for memory corruption.

Ransomware use reported
CVE-2021-26084 · KEV 2021-11-03

Atlassian Confluence Server and Data Center Object-Graph Navigation Language (OGNL) Injection Vulnerability

Atlassian — Confluence Server and Data Center

Atlassian Confluence Server and Data Server contain an Object-Graph Navigation Language (OGNL) injection vulnerability that may allow an unauthenticated attacker to execute code.

Ransomware use reported
CVE-2021-23874 · KEV 2021-11-03

McAfee Total Protection (MTP) Improper Privilege Management Vulnerability

McAfee — McAfee Total Protection (MTP)

McAfee Total Protection (MTP) contains an improper privilege management vulnerability that allows a local user to gain elevated privileges and execute code, bypassing MTP self-defense.

CVE-2021-22986 · KEV 2021-11-03

F5 BIG-IP and BIG-IQ Centralized Management iControl REST Remote Code Execution Vulnerability

F5 — BIG-IP and BIG-IQ Centralized Management

F5 BIG-IP and BIG-IQ Centralized Management contain a remote code execution vulnerability in the iControl REST interface that allows unauthenticated attackers with network access to execute system commands, create or delete files, and disab…

Ransomware use reported
CVE-2021-22900 · KEV 2021-11-03

Ivanti Pulse Connect Secure Unrestricted File Upload Vulnerability

Ivanti — Pulse Connect Secure

Ivanti Pulse Connect Secure contains an unrestricted file upload vulnerability that allows an authenticated administrator to perform a file write via a maliciously crafted archive upload in the administrator web interface.

CVE-2021-22899 · KEV 2021-11-03

Ivanti Pulse Connect Secure Command Injection Vulnerability

Ivanti — Pulse Connect Secure

Ivanti Pulse Connect Secure contains a command injection vulnerability that allows remote authenticated users to perform remote code execution via Windows File Resource Profiles.

CVE-2021-22894 · KEV 2021-11-03

Ivanti Pulse Connect Secure Collaboration Suite Buffer Overflow Vulnerability

Ivanti — Pulse Connect Secure

Ivanti Pulse Connect Secure Collaboration Suite contains a buffer overflow vulnerabilities that allows a remote authenticated users to execute code as the root user via maliciously crafted meeting room.

CVE-2021-22893 · KEV 2021-11-03

Ivanti Pulse Connect Secure Use-After-Free Vulnerability

Ivanti — Pulse Connect Secure

Ivanti Pulse Connect Secure contains a use-after-free vulnerability that allow a remote, unauthenticated attacker to execute code via license services.

Ransomware use reported
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Source: CISA KEV catalog and NIST NVD. “Known” ransomware use is a CISA catalog label, not a real-time incident alert. Always review vendor advisories for patches.