CVE-2024-27877: Apple macOS · Processing a maliciously crafted file may lead to a denial-of-service or potentially disclose memory contents
Affects Apple macOSSource CVE Database V5
Not known to be exploited · CVSS 6.1 Medium · fixed in 12.7.6 : update Apple macOS when convenient.
Data as of 25 Oct 2026, 19:02 UTC
- EPSS
- 0.4% chance of exploitation in 30 days – higher than 37% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 12.7.6
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:HExploitation evidence
Disclosed: evidence found.
CVE published 29 Jul 2024
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: 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 2026-10-25.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Apple macOS | Affected
| Fixed in– |
AI-suggested
Apple has released official fixes for this vulnerability in macOS Monterey 12.7.6, macOS Sonoma 14.6, and macOS Ventura 13.6.8. Users and administrators should apply these updates promptly to remediate the issue. No additional mitigation steps are indicated by the vendor advisory.
Description
CVE-2024-27877 is a vulnerability in Apple macOS affecting the AppleVA component, where processing a maliciously crafted file may lead to denial-of-service or potentially disclose memory contents. The issue was addressed by Apple through improved memory handling. This vulnerability is fixed in macOS Monterey 12.7.6, macOS Sonoma 14.6, and macOS Ventura 13.6.8. The CVSS score is 6.1, indicating a medium severity level.
References
- support.apple.com/en-us/120910 (opens in a new tab)
- support.apple.com/en-us/120911 (opens in a new tab)
- support.apple.com/en-us/120912 (opens in a new tab)
- support.apple.com/en-us/HT214120 (opens in a new tab)
- support.apple.com/en-us/HT214119 (opens in a new tab)
- support.apple.com/en-us/HT214118 (opens in a new tab)
- seclists.org/fulldisclosure/2024/Jul/20 (opens in a new tab)
- seclists.org/fulldisclosure/2024/Jul/18 (opens in a new tab)
- seclists.org/fulldisclosure/2024/Jul/19 (opens in a new tab)
- support.apple.com/kb/HT214120 (opens in a new tab)
- support.apple.com/kb/HT214119 (opens in a new tab)
- support.apple.com/kb/HT214118 (opens in a new tab)