Improper authentication in Apple macOS
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · High · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-287.
Summary
This issue was addressed through improved state management. This issue is fixed in macOS Tahoe 26. Incoming FaceTime calls can appear or be accepted on a locked macOS device, even with notifications disabled on the lock screen.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- 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
- Fix · CNA macOS (Apple) Fixed in 26
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Apple macOS 26
35 records Highest priority Priority MEDIUM 4 MEDIUM, 31 LOW
Other records, highest priority first
- TI-2025-28054 Improper input validation in Apple iOS and iPadOSPriority MEDIUM 51
- TI-2025-28050 Memory corruption in Apple SafariPriority MEDIUM 50
- TI-2025-28049 Improper input validation in Apple SafariPriority MEDIUM 50
Timeline
- 2026-10-02 Threatist record created from CVE-2025-31271
- 2026-10-03 Alias added: GHSA-fjr8-wgj2-rc9f
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-2025-31271 · CVE Program
- CVE-2025-31271 · NVD
- FIRST EPSS
- GHSA-fjr8-wgj2-rc9f · 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