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.
Medium 5.5Actively exploited
CVE-2024-27834
Apple Multiple Products — Improper Authentication.
The issue was addressed with improved checks.
WeaknessCWE-287: Authentication bypass
Published Updated Source NVD and CISA KEV
CVSS 3.1
5.5
AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Exploit chance, 30 days
1.4%
Higher than 72% of all CVEs (EPSS)
Status
Actively exploited
On CISA KEV since 4 Nov 2026
Patch
Unknown
Check the vendor advisory
What happened
What to do
- 01Check whether you run Apple Multiple Products, and which version.
- 02Follow the vendor advisory for a fix or a workaround.
- 03Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
CISA deadlineUS federal agencies must remediate by
References
- NVDnvd.nist.gov
- CISA KEVcisa.gov
- Vendor advisorysupport.apple.com
- Vendor advisorysupport.apple.com
- Vendor advisorysupport.apple.com
- Vendor advisorysupport.apple.com
- Vendor advisorysupport.apple.com
- Vendor advisorysupport.apple.com
- Mailing listseclists.org
- Mailing listseclists.org
- Mailing listseclists.org
- Mailing listseclists.org
Timeline · UTC
- Published to NVD
- Added to CISA KEV
- NVD record updated
- CISA remediation deadline
Also actively exploited
Other CVEs in Apple Multiple Products
1 more CVE, 1 actively exploited