CVE-2024-27876: A race condition was addressed with improved locking
Source GCVE Database
Not known to be exploited · CVSS 8.1 High · fixed in 13.7 : patch affected systems soon.
Data as of 3 Nov 2026, 17:25 UTC
- Patch
- Available – fixed in 13.7
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:NExploitation evidence
Disclosed: evidence found.
CVE published 16 Sep 2024
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 3 Nov 2026.
What to do
AI-suggested
This vulnerability has been fixed by Apple in macOS Ventura 13.7, iOS 17.7 and iPadOS 17.7, visionOS 2, iOS 18 and iPadOS 18, macOS Sonoma 14.7, and macOS Sequoia 15. Users and administrators should apply these official updates to remediate the issue. No additional mitigation steps are indicated beyond applying the vendor-provided patches.
Description
CVE-2024-27876 is a race condition vulnerability in Apple operating systems that was addressed by improved locking mechanisms. The flaw could allow an attacker to write arbitrary files by unpacking a maliciously crafted archive. This issue is fixed in macOS Ventura 13.7, iOS 17.7 and iPadOS 17.7, visionOS 2, iOS 18 and iPadOS 18, macOS Sonoma 14.7, and macOS Sequoia 15.
References
- nvd.nist.gov/vuln/detail/CVE-2024-27876 (opens in a new tab)
- support.apple.com/en-us/121234 (opens in a new tab)
- support.apple.com/en-us/121238 (opens in a new tab)
- support.apple.com/en-us/121246 (opens in a new tab)
- support.apple.com/en-us/121247 (opens in a new tab)
- support.apple.com/en-us/121249 (opens in a new tab)
- support.apple.com/en-us/121250 (opens in a new tab)
- seclists.org/fulldisclosure/2024/Sep/32 (opens in a new tab)
- seclists.org/fulldisclosure/2024/Sep/33 (opens in a new tab)
- seclists.org/fulldisclosure/2024/Sep/36 (opens in a new tab)
- seclists.org/fulldisclosure/2024/Sep/39 (opens in a new tab)
- seclists.org/fulldisclosure/2024/Sep/40 (opens in a new tab)
- seclists.org/fulldisclosure/2024/Sep/41 (opens in a new tab)