Buffer overflow in Apple macOS
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-120 and the CVSS impact.
Summary
A buffer overflow issue was addressed with improved memory handling. This issue is fixed in macOS Monterey 12.4. An application may be able to execute arbitrary code with kernel privileges.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
Remediation
- Fix · CNA macOS (Apple) Fixed in 12.4
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Apple macOS 12.4
36 records Highest priority Priority MEDIUM 7 MEDIUM, 29 LOW
Other records, highest priority first
- TI-2022-10025 Memory corruption in Apple macOSPriority MEDIUM 53
- TI-2022-10024 Integer overflow in Apple Security Update - CatalinaPriority MEDIUM 53
- TI-2022-09964 Apple macOS: An attacker may be able to cause unexpected application termination or…Priority MEDIUM 46
Timeline
- 2026-10-02 Threatist record created from CVE-2022-26742
- 2026-10-03 Alias added: GHSA-86hr-p2rx-5j3w
References
Advisory 1
More Apple Macos vulnerabilities
- TI-2026-46583 Improper authentication in Apple macOS KEVCVSS 3.1CRITICAL 9.8
- TI-2025-28008 Out-of-bounds write in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 10.0
- TI-2025-22441 Apple iOS and iPadOS: An attacker with arbitrary read and write capability may be able to… KEVCVSS 3.1CRITICAL 9.8
- TI-2025-22440 Memory corruption in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 9.8
- TI-2025-17951 Out-of-bounds write in Apple Safari KEVCVSS 3.1CRITICAL 10.0
- TI-2025-17847 Use after free in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 10.0
Sources
- CVE-2022-26742 · CVE Program
- CVE-2022-26742 · NVD
- FIRST EPSS
- GHSA-86hr-p2rx-5j3w · GitHub Advisory Database · CC BY 4.0
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