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Security Bulletins

Active threat advisories and known exploited vulnerabilities.

Pulled daily from the CISA Known Exploited Vulnerabilities catalog. Every entry has confirmed active exploitation in the wild. Last synced Sep 16, 2026.

1,713 total bulletins 1,713 critical or high severity Source: CISA KEV + NVD
All 1,713 Critical 1,713 High 0 Medium 0 Low 0 1,713 critical entries
Critical CVE-2021-30860 Apple · Multiple Products Added Nov 3, 2021

Apple Multiple Products Integer Overflow Vulnerability

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.

NVD Detail ↗ CISA KEV ↗ Patch deadline passed
Critical CVE-2020-27930 Apple · Multiple Products Added Nov 3, 2021

Apple Multiple Products Memory Corruption Vulnerability

Apple iOS, iPadOS, macOS, and watchOS FontParser contain a memory corruption vulnerability which may allow for code execution when processing maliciously crafted front.

NVD Detail ↗ CISA KEV ↗ Patch deadline passed
Critical CVE-2021-30807 Apple · Multiple Products Added Nov 3, 2021

Apple Multiple Products Memory Corruption Vulnerability

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

NVD Detail ↗ CISA KEV ↗ Patch deadline passed
Critical CVE-2020-27950 Apple · Multiple Products Added Nov 3, 2021

Apple Multiple Products Memory Initialization Vulnerability

Apple iOS, iPadOS, macOS, and watchOS contain a memory initialization vulnerability that may allow a malicious application to disclose kernel memory.

NVD Detail ↗ CISA KEV ↗ Patch deadline passed
Critical CVE-2020-27932 Apple · Multiple Products Added Nov 3, 2021

Apple Multiple Products Type Confusion Vulnerability

Apple iOS, iPadOS, macOS, and watchOS contain a type confusion vulnerability that may allow a malicious application to execute code with kernel privileges.

NVD Detail ↗ CISA KEV ↗ Patch deadline passed
Critical CVE-2020-9818 Apple · iOS, iPadOS, and watchOS Added Nov 3, 2021

Apple iOS, iPadOS, and watchOS Out-of-Bounds Write Vulnerability

Apple iOS, iPadOS, and watchOS Mail contains an out-of-bounds write vulnerability which may allow memory modification or application termination when processing a maliciously crafted mail message.

NVD Detail ↗ CISA KEV ↗ Patch deadline passed
Critical CVE-2020-9819 Apple · iOS, iPadOS, and watchOS Added Nov 3, 2021

Apple iOS, iPadOS, and watchOS Memory Corruption Vulnerability

Apple iOS, iPadOS, and watchOS Mail contains a memory corruption vulnerability that may allow heap corruption when processing a maliciously crafted mail message.

NVD Detail ↗ CISA KEV ↗ Patch deadline passed
Critical CVE-2021-30762 Apple · iOS Added Nov 3, 2021

Apple iOS WebKit Use-After-Free Vulnerability

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.

NVD Detail ↗ CISA KEV ↗ Patch deadline passed
Critical CVE-2021-1782 Apple · Multiple Products Added Nov 3, 2021

Apple Multiple Products Race Condition Vulnerability

Apple iOS, iPadOs, macOS, watchOS, and tvOS contain a race condition vulnerability that may allow a malicious application to elevate privileges.

NVD Detail ↗ CISA KEV ↗ Patch deadline passed
Critical CVE-2021-1870 Apple · iOS, iPadOS, and macOS Added Nov 3, 2021

Apple iOS, iPadOS, and macOS WebKit Remote Code Execution Vulnerability

Apple iOS, iPadOS, and macOS WebKit contain an unspecified logic vulnerability that allows a remote attacker to execute code. 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.

NVD Detail ↗ CISA KEV ↗ Patch deadline passed
Critical CVE-2021-1871 Apple · iOS, iPadOS, and macOS Added Nov 3, 2021

Apple iOS, iPadOS, and macOS WebKit Remote Code Execution Vulnerability

Apple iOS, iPadOS, and macOS WebKit contain an unspecified logic vulnerability that allows a remote attacker to execute code. 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.

NVD Detail ↗ CISA KEV ↗ Patch deadline passed
Critical CVE-2021-1879 Apple · iOS, iPadOS, and watchOS Added Nov 3, 2021

Apple iOS, iPadOS, and watchOS WebKit Cross-Site Scripting (XSS) Vulnerability

Apple iOS, iPadOS, and watchOS WebKit contain an unspecified vulnerability that allows for universal cross-site scripting (XSS) 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.

NVD Detail ↗ CISA KEV ↗ Patch deadline passed
Critical CVE-2021-30661 Apple · Multiple Products Added Nov 3, 2021

Apple Multiple Products WebKit Storage Use-After-Free Vulnerability

Apple iOS, iPadOS, macOS, tvOS, watchOS, and Safari WebKit Storage 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.

NVD Detail ↗ CISA KEV ↗ Patch deadline passed
Critical CVE-2021-30666 Apple · iOS Added Nov 3, 2021

Apple iOS WebKit Buffer Overflow Vulnerability

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.

NVD Detail ↗ CISA KEV ↗ Patch deadline passed
Critical CVE-2021-30713 Apple · macOS Added Nov 3, 2021

Apple macOS Unspecified Vulnerability

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

NVD Detail ↗ CISA KEV ↗ Patch deadline passed
Critical CVE-2021-30657 Apple · macOS Added Nov 3, 2021

Apple macOS Unspecified Vulnerability

Apple macOS contains an unspecified logic issue in System Preferences that may allow a malicious application to bypass Gatekeeper checks.

NVD Detail ↗ CISA KEV ↗ Patch deadline passed
Critical CVE-2021-30665 Apple · Multiple Products Added Nov 3, 2021

Apple Multiple Products WebKit Memory Corruption Vulnerability

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.

NVD Detail ↗ CISA KEV ↗ Patch deadline passed
Critical CVE-2021-30663 Apple · Multiple Products Added Nov 3, 2021

Apple Multiple Products WebKit Integer Overflow Vulnerability

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.

NVD Detail ↗ CISA KEV ↗ Patch deadline passed
Critical CVE-2021-30761 Apple · iOS Added Nov 3, 2021

Apple iOS WebKit Memory Corruption Vulnerability

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.

NVD Detail ↗ CISA KEV ↗ Patch deadline passed
Critical CVE-2021-30869 Apple · iOS, iPadOS, and macOS Added Nov 3, 2021

Apple iOS, iPadOS, and macOS Type Confusion Vulnerability

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.

NVD Detail ↗ CISA KEV ↗ Patch deadline passed
Critical CVE-2020-9859 Apple · Multiple Products Added Nov 3, 2021

Apple Multiple Products Code Execution Vulnerability

Apple iOS, iPadOS, macOS, watchOS, and tvOS contain an unspecified vulnerability that may allow an application to execute code with kernel privileges.

NVD Detail ↗ CISA KEV ↗ Patch deadline passed
Critical CVE-2021-20090 Arcadyan · Buffalo Firmware Added Nov 3, 2021

Arcadyan Buffalo Firmware Path Traversal Vulnerability

Arcadyan Buffalo firmware contains a path traversal vulnerability that could allow unauthenticated, remote attackers to bypass authentication and access sensitive information. This vulnerability affects multiple routers across several different vendors.

NVD Detail ↗ CISA KEV ↗ Patch deadline passed
Critical CVE-2021-27562 Arm · Trusted Firmware Added Nov 3, 2021

Arm Trusted Firmware Out-of-Bounds Write Vulnerability

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 environment (NSPE) handler mode. This vulnerability affects Yealink Device Management servers.

NVD Detail ↗ CISA KEV ↗ Patch deadline passed
Critical CVE-2021-28664 Arm · Mali Graphics Processing Unit (GPU) Added Nov 3, 2021

Arm Mali Graphics Processing Unit (GPU) Unspecified Vulnerability

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 processes.

NVD Detail ↗ CISA KEV ↗ Patch deadline passed
Critical CVE-2021-28663 Arm · Mali Graphics Processing Unit (GPU) Added Nov 3, 2021

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

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.

NVD Detail ↗ CISA KEV ↗ Patch deadline passed

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