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CVE-2022-32839VulnerabilityPublished Updated

CVE-2022-32839: Apple macOS · A remote user may cause an unexpected app termination or arbitrary code execution

Affects Apple macOSSource CVE Database V5

0

Not known to be exploited · CVSS 9.8 Critical · fixed in 12.5 : patch Apple macOS as a priority.

Data as of 25 Oct 2026, 19:02 UTC

CVSS 3.1 base score
9.8Critical
How severe the flaw is on the 0–10 CVSS scale.
EPSS
3.9% chance of exploitation in 30 days – higher than 90% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 12.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 24 Aug 2022

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-25.

What to do

AI-suggested

European organizations should prioritize immediate deployment of the security updates released by Apple for macOS Monterey 12.5, Big Sur 11.6.8, Security Update 2022-005 Catalina, and the corresponding updates for iOS, iPadOS, tvOS, and watchOS. Beyond patching, organizations should implement network-level protections such as restricting inbound traffic to Apple devices from untrusted networks, deploying intrusion detection/prevention systems tuned to detect exploitation attempts targeting this vulnerability, and monitoring logs for unusual application crashes or suspicious remote activity. Endpoint detection and response (EDR) solutions should be configured to alert on anomalous behavior indicative of exploitation attempts. Organizations should also enforce strict access controls and network segmentation to limit the potential impact of a compromised device. Regular vulnerability scanning and asset inventory to identify unpatched Apple devices are essential. Additionally, educating users about the importance of timely updates and maintaining robust backup strategies will help mitigate potential damage from exploitation.

Description

The issue was addressed with improved bounds checks. This issue is fixed in macOS Monterey 12.5, macOS Big Sur 11.6.8, Security Update 2022-005 Catalina, iOS 15.6 and iPadOS 15.6, tvOS 15.6, watchOS 8.7. A remote user may cause an unexpected app termination or arbitrary code execution.

References

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