Integer overflow in Apple macOS lets apps cause denial of service
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-190 and the CVSS impact.
Summary
An integer overflow in macOS before 15.8.2 lets a local app cause a denial of service. The flaw is tracked as CWE-190 and is fixed with improved input validation.
Written with Claude Haiku 5.5 from the sources below · 2026-11-04
Description from the CNA
An integer overflow was addressed with improved input validation. This issue is fixed in macOS Sequoia 15.8.2. An app may be able to cause a denial-of-service.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
Apple fixes this in macOS Sequoia 15.8.2.
Written with Claude Haiku 5.5 from the sources below · 2026-11-04
- Fix · CNA macOS (Apple) Fixed in 15.8.2
Timeline
- 2026-10-26 Threatist record created from CVE-2026-112601
- 2026-10-27 Alias added: GHSA-7mw8-8vqh-492f
- 2026-11-04 CVSS score added · NVD
- 2026-11-04 Weakness changed · NVD
- 2026-11-04 CVSS score added · CISA ADP
- 2026-11-04 Weakness changed · CISA ADP
- 2026-11-04 CISA SSVC decision points changed
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-2026-112601 · CVE Program
- CVE-2026-112601 · NVD
- FIRST EPSS
- GHSA-7mw8-8vqh-492f · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences