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CVE-2021-30807: Apple Multiple Products Memory Corruption Vulnerability

criticalknown exploitedpublic exploitCVE-2021-30807
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
Apple iOS, iPadOS, macOS, and watchOS IOMobileFrameBuffer contain a memory corruption vulnerability which may allow an application to execute code with kernel privileges.

CSIRTS triage

vendor: Appleproduct: iOS, iPadOS, macOS, watchOS IOMobileFrameBufferMemory corruption
What
A memory corruption vulnerability may allow an application to execute code with kernel privileges.
Who is affected
Deployments of Apple iOS, iPadOS, macOS, and watchOS.
Urgency
Remediation is critical due to active exploitation and the severity of the vulnerability.
Action
Update to the latest versions of iOS, iPadOS, macOS, and watchOS.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2021-11-03
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2021-30807

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2021-30807coverage & exploitation statusNVD · CVE.org

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