CVE-2024-27834
MEDIUM severity · CVSS 5.5 · Improper authentication · actively exploited (CISA KEV)
5.5CVSS MEDIUM exploited
Actively exploited in the wild (CISA Known Exploited Vulnerabilities).
Added to KEV 2026-11-04. US federal agencies must patch by 2026-11-18.
Summary
The issue was addressed with improved checks. This issue is fixed in Safari 17.5, iOS 16.7.8 and iPadOS 16.7.8, iOS 17.5 and iPadOS 17.5, macOS Sonoma 14.5, tvOS 17.5, watchOS 10.5. An attacker with arbitrary read and write capability may be able to bypass Pointer Authentication.
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges requiredLow
User interactionNone
Confidentiality impactNone
Integrity impactHigh
Availability impactNone
Exploit probability (EPSS)1%
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Affected products we track (4)
Recommendation
This vulnerability is being actively exploited in the wild — patch affected products urgently. Open any affected product above for its exact safe version.
Additional information
- NVD record
- https://support.apple.com/en-us/120896Advisory
- https://support.apple.com/en-us/120898Advisory
- https://support.apple.com/en-us/120901Advisory
- https://support.apple.com/en-us/120902Advisory
- https://support.apple.com/en-us/120903Advisory
- https://support.apple.com/en-us/120905Advisory
- http://seclists.org/fulldisclosure/2024/May/10Advisory
- http://seclists.org/fulldisclosure/2024/May/12Advisory