CVE-2024-27834 KEV
5.5
MEDIUM · CVSS 3.1 · EPSS 0.6% (pctl 49)
Patch first
On CISA KEV — known exploited in the wild, due 2026-11-18.
Description
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.
Scoring
| CVSS | 5.5 (MEDIUM, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N |
| EPSS | 0.6% — more likely to be exploited than 49% of all CVEs |
| Weakness | CWE-287 |
| On CISA KEV | yes — remediate by 2026-11-18 |
| Public exploit | none known |
| Published | 2024-05-14 |
| Last modified | 2026-11-05 |
CISA KEV
| Name | Apple Multiple Products Improper Authentication Vulnerability |
|---|---|
| Added | 2026-11-04 |
| Due | 2026-11-18 |
| Vendor / product | Apple / Multiple Products |
| Ransomware use | none reported |
Affected (9)
| Vendor | Product |
|---|---|
| apple | ipados |
| apple | iphone os |
| apple | macos |
| apple | safari |
| apple | tvos |
| apple | watchos |
| fedoraproject | fedora |
| webkitgtk | webkitgtk |
| wpewebkit | wpe webkit |
References
- https://support.apple.com/en-us/120896
- https://support.apple.com/en-us/120898
- https://support.apple.com/en-us/120901
- https://support.apple.com/en-us/120902
- https://support.apple.com/en-us/120903
- https://support.apple.com/en-us/120905
- http://seclists.org/fulldisclosure/2024/May/10
- http://seclists.org/fulldisclosure/2024/May/12
- http://seclists.org/fulldisclosure/2024/May/16
- http://seclists.org/fulldisclosure/2024/May/17
- http://seclists.org/fulldisclosure/2024/May/9
- http://www.openwall.com/lists/oss-security/2024/05/21/1
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ADCLQW54XN37VJZNYD3UKCYATJFIMYXG/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WKIXADCW3O4R2OOSDZGPU55XQFE6NA3M/
- https://support.apple.com/en-us/HT214101
- https://support.apple.com/en-us/HT214102
- https://support.apple.com/en-us/HT214103
- https://support.apple.com/en-us/HT214104
- https://support.apple.com/en-us/HT214106
- https://support.apple.com/kb/HT214100
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