CVE detail
CVE-2024-27834: Apple Multiple Products Improper Authentication Vulnerability
Source: CISA Known Exploited Vulnerabilities catalog · back to feed
Vendor / product
Apple · Multiple Products
- Date added (KEV)
- Nov 04, 2026
- CISA due date
- Nov 18, 2026
- Ransomware campaign use
- Unknown
Required action
Apply 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.
Vendor fix: Vendor advisory
Scorifya interpretation
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Plain English
Technical detail
From CISA
Apple iOS, iPadOS, macOS, Safari, tvOS and watchOS 10.5 contain an improper authentication vulnerability which could allow an attacker with arbitrary read and write capability to bypass pointer authentication.
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 ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2024-27834
See what attackers can see on your domain
This vulnerability is on CISA's Known Exploited Vulnerabilities list, so it is being exploited in the wild right now. Scorifya can't test for Apple directly, but in about 30 seconds it shows what your own domain exposes publicly across TLS, security headers, DNS, and cookies: the surface attackers probe first.
SOC 2 compliance
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See Scorifya Controls →References
- https://support.apple.com/en-us/HT214101Vendor Advisory
- https://support.apple.com/en-us/HT214102Vendor Advisory
- https://support.apple.com/en-us/HT214103Vendor Advisory
- https://support.apple.com/en-us/HT214104Vendor Advisory
- https://support.apple.com/en-us/HT214106Vendor Advisory
- 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/10Mailing List
- http://seclists.org/fulldisclosure/2024/May/12Mailing List
- http://seclists.org/fulldisclosure/2024/May/16Mailing List
- http://seclists.org/fulldisclosure/2024/May/17Mailing List
- http://seclists.org/fulldisclosure/2024/May/9Mailing List
- http://www.openwall.com/lists/oss-security/2024/05/21/1Mailing List
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ADCLQW54XN37VJZNYD3UKCYATJFIMYXG/Mailing List
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WKIXADCW3O4R2OOSDZGPU55XQFE6NA3M/Mailing List
- https://support.apple.com/kb/HT214100
- https://support.apple.com/kb/HT214102
- https://support.apple.com/kb/HT214104
- https://support.apple.com/kb/HT214106
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-27834
- https://www.sekoia.com/blog/poisoned-source-apt29-watering-holes-targets-mobile-devices-with-n-day-exploits
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