Free live email checks are available. Continuous monitoring and account alerts are not yet active.

CyberSigur / Security Intelligence

Known exploited vulnerabilities

Browse CISA's Known Exploited Vulnerabilities catalog. Search by CVE, vendor, or product. Information is published by the US Cybersecurity and Infrastructure Security Agency.

Official CISA source ↗CISA updated: 2026-10-30

1,766 vulnerabilities · Page 87 of 89

CVE-2021-30663

Apple Multiple Products WebKit Integer Overflow Vulnerability

Apple · Multiple Products · Added: 2021-11-03

Apple iOS, iPadOS, macOS, tvOS, and Safari WebKit contain an integer overflow vulnerability that leads to code execution when processing maliciously crafted web content. This vulnerability could impact HTML parsers that use WebKit, including but not limited to Apple Safari and non-Apple products which rely on WebKit for HTML processing.

CISA recommended action

Apply updates per vendor instructions.

CVE details ↗
CVE-2021-30665

Apple Multiple Products WebKit Memory Corruption Vulnerability

Apple · Multiple Products · Added: 2021-11-03

Apple iOS, iPadOS, macOS, watchOS, and tvOS WebKit contain a memory corruption vulnerability that leads to code execution when processing maliciously crafted web content. This vulnerability could impact HTML parsers that use WebKit, including but not limited to Apple Safari and non-Apple products which rely on WebKit for HTML processing.

CISA recommended action

Apply updates per vendor instructions.

CVE details ↗
CVE-2021-30666

Apple iOS WebKit Buffer Overflow Vulnerability

Apple · iOS · Added: 2021-11-03

Apple iOS WebKit contains a buffer-overflow vulnerability that leads to code execution when processing maliciously crafted web content. This vulnerability could impact HTML parsers that use WebKit, including but not limited to Apple Safari and non-Apple products which rely on WebKit for HTML processing.

CISA recommended action

Apply updates per vendor instructions.

CVE details ↗
CVE-2021-30713

Apple macOS Unspecified Vulnerability

Apple · macOS · Added: 2021-11-03

Apple macOS Transparency, Consent, and Control (TCC) contains an unspecified permissions issue which may allow a malicious application to bypass privacy preferences.

CISA recommended action

Apply updates per vendor instructions.

CVE details ↗
CVE-2021-30761

Apple iOS WebKit Memory Corruption Vulnerability

Apple · iOS · Added: 2021-11-03

Apple iOS WebKit contains a memory corruption vulnerability that leads to code execution when processing maliciously crafted web content. This vulnerability could impact HTML parsers that use WebKit, including but not limited to Apple Safari and non-Apple products which rely on WebKit for HTML processing.

CISA recommended action

Apply updates per vendor instructions.

CVE details ↗
CVE-2021-30762

Apple iOS WebKit Use-After-Free Vulnerability

Apple · iOS · Added: 2021-11-03

Apple iOS WebKit contains a use-after-free vulnerability that leads to code execution when processing maliciously crafted web content. This vulnerability could impact HTML parsers that use WebKit, including but not limited to Apple Safari and non-Apple products which rely on WebKit for HTML processing.

CISA recommended action

Apply updates per vendor instructions.

CVE details ↗
CVE-2021-30807

Apple Multiple Products Memory Corruption Vulnerability

Apple · Multiple Products · Added: 2021-11-03

Apple iOS, iPadOS, macOS, and watchOS IOMobileFrameBuffer contain a memory corruption vulnerability which may allow an application to execute code with kernel privileges.

CISA recommended action

Apply updates per vendor instructions.

CVE details ↗
CVE-2021-30858

Apple iOS, iPadOS, macOS Use-After-Free Vulnerability

Apple · iOS, iPadOS, and macOS · Added: 2021-11-03

Apple iOS, iPadOS, and macOS WebKit contain a use-after-free vulnerability that leads to code execution when processing maliciously crafted web content. This vulnerability could impact HTML parsers that use WebKit, including but not limited to Apple Safari and non-Apple products which rely on WebKit for HTML processing.

CISA recommended action

Apply updates per vendor instructions.

CVE details ↗
CVE-2021-30860

Apple Multiple Products Integer Overflow Vulnerability

Apple · Multiple Products · Added: 2021-11-03

Apple iOS, iPadOS, macOS, and watchOS CoreGraphics contain an integer overflow vulnerability which may allow code execution when processing a maliciously crafted PDF. The vulnerability is also known under the moniker of FORCEDENTRY.

CISA recommended action

Apply updates per vendor instructions.

CVE details ↗
CVE-2021-30869

Apple iOS, iPadOS, and macOS Type Confusion Vulnerability

Apple · iOS, iPadOS, and macOS · Added: 2021-11-03

Apple iOS, iPadOS, and macOS contain a type confusion vulnerability in the XNU which may allow a malicious application to execute code with kernel privileges.

CISA recommended action

Apply updates per vendor instructions.

CVE details ↗
CVE-2021-31199

Microsoft Enhanced Cryptographic Provider Privilege Escalation Vulnerability

Microsoft · Enhanced Cryptographic Provider · Added: 2021-11-03

Microsoft Enhanced Cryptographic Provider contains an unspecified vulnerability that allows for privilege escalation.

CISA recommended action

Apply updates per vendor instructions.

CVE details ↗
CVE-2021-31201

Microsoft Enhanced Cryptographic Provider Privilege Escalation Vulnerability

Microsoft · Enhanced Cryptographic Provider · Added: 2021-11-03

Microsoft Enhanced Cryptographic Provider contains an unspecified vulnerability that allows for privilege escalation.

CISA recommended action

Apply updates per vendor instructions.

CVE details ↗
CVE-2021-31207Confirmed ransomware campaign use

Microsoft Exchange Server Security Feature Bypass Vulnerability

Microsoft · Exchange Server · Added: 2021-11-03

Microsoft Exchange Server contains an unspecified vulnerability that allows for security feature bypass.

CISA recommended action

Apply updates per vendor instructions.

CVE details ↗
CVE-2021-31755

Tenda AC11 Router Stack Buffer Overflow Vulnerability

Tenda · AC11 Router · Added: 2021-11-03

Tenda AC11 devices contain a stack buffer overflow vulnerability in /goform/setmac which allows attackers to execute code via a crafted post request.

CISA recommended action

Apply updates per vendor instructions.

CVE details ↗
CVE-2021-31955

Microsoft Windows Kernel Information Disclosure Vulnerability

Microsoft · Windows · Added: 2021-11-03

Microsoft Windows Kernel contains an unspecified vulnerability that allows for information disclosure. Successful exploitation allows attackers to read the contents of kernel memory from a user-mode process.

CISA recommended action

Apply updates per vendor instructions.

CVE details ↗
CVE-2021-31956

Microsoft Windows NTFS Privilege Escalation Vulnerability

Microsoft · Windows · Added: 2021-11-03

Microsoft Windows New Technology File System (NTFS) contains an unspecified vulnerability that allows attackers to escalate privileges via a specially crafted application.

CISA recommended action

Apply updates per vendor instructions.

CVE details ↗
CVE-2021-31979

Microsoft Windows Kernel Privilege Escalation Vulnerability

Microsoft · Windows · Added: 2021-11-03

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

CISA recommended action

Apply updates per vendor instructions.

CVE details ↗
CVE-2021-33739

Microsoft Desktop Window Manager (DWM) Core Library Privilege Escalation Vulnerability

Microsoft · Windows · Added: 2021-11-03

Microsoft Desktop Window Manager (DWM) Core Library contains an unspecified vulnerability that allows for privilege escalation.

CISA recommended action

Apply updates per vendor instructions.

CVE details ↗
CVE-2021-33742

Microsoft Windows MSHTML Platform Remote Code Execution Vulnerability

Microsoft · Windows · Added: 2021-11-03

Microsoft Windows MSHTML Platform contains an unspecified vulnerability that allows for remote code execution.

CISA recommended action

Apply updates per vendor instructions.

CVE details ↗
CVE-2021-33771

Microsoft Windows Kernel Privilege Escalation Vulnerability

Microsoft · Windows · Added: 2021-11-03

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

CISA recommended action

Apply updates per vendor instructions.

CVE details ↗
Back to CyberSigur ←