# CVE-2024-27834

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.

- Page: https://www.vulneraibility.com/cve/CVE-2024-27834
- CVSS: 5.5
- Known exploited: yes, in CISA KEV since 2026-11-04; CISA due date 2026-11-18
- EPSS: 1.50% (percentile 74.6)
- CISA SSVC: exploitation active, automatable no, technical impact partial (assessed 2026-11-04)
- Weakness: CWE-287
- Published: 2024-05-14

## Affected versions

- Apple iOS and iPadOS: affected < 16.7.8; < 17.5
- Apple macOS: affected < 14.5
- Apple Safari: affected < 17.5
- Apple tvOS: affected < 17.5
- Apple watchOS: affected < 10.5

A version outside these ranges is not a statement that it is unaffected.

## References

- [other] https://support.apple.com/en-us/120896
- [other] https://support.apple.com/en-us/120898
- [other] https://support.apple.com/en-us/120901
- [other] https://support.apple.com/en-us/120902
- [other] https://support.apple.com/en-us/120903
- [other] https://support.apple.com/en-us/120905
- [advisory] https://www.sekoia.com/blog/poisoned-source-apt29-watering-holes-targets-mobile-devices-with-n-day-exploits
- [other] https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-27834
- [other] https://support.apple.com/en-us/HT214101
- [other] https://support.apple.com/en-us/HT214106
- [other] https://support.apple.com/en-us/HT214104
- [other] https://support.apple.com/en-us/HT214103
- [other] https://support.apple.com/en-us/HT214102
- [other] http://seclists.org/fulldisclosure/2024/May/17
- [other] http://www.openwall.com/lists/oss-security/2024/05/21/1
- [other] http://seclists.org/fulldisclosure/2024/May/10
- [other] http://seclists.org/fulldisclosure/2024/May/9
- [other] http://seclists.org/fulldisclosure/2024/May/12
- [other] http://seclists.org/fulldisclosure/2024/May/16
- [other] https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WKIXADCW3O4R2OOSDZGPU55XQFE6NA3M/
- [other] https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ADCLQW54XN37VJZNYD3UKCYATJFIMYXG/
- [other] https://support.apple.com/kb/HT214106
- [other] https://support.apple.com/kb/HT214104
- [other] https://support.apple.com/kb/HT214102
- [other] https://support.apple.com/kb/HT214100

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Summary, impact and action are written by the vulneraibility.com AI analysis pipeline from the CVE record, NVD, CISA and FIRST data; verify against the references.