CVE-2024-23266: Apple macOS · Improper Access Control
Affects Apple macOSSource CVE Database V5
Not known to be exploited · CVSS 5.5 Medium · fixed in 12.7.4 : update Apple macOS when convenient.
Data as of 26 Oct 2026, 14:05 UTC
- EPSS
- 0.2% chance of exploitation in 30 days – higher than 13% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 12.7.4
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:NExploitation evidence
Disclosed: evidence found.
CVE published 8 Mar 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 26 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Apple macOS | Affected
| Fixed in– |
AI-suggested
Apple has released official patches for this vulnerability in macOS Monterey 12.7.4, macOS Ventura 13.6.5, and macOS Sonoma 14.4. Users and administrators should apply these updates promptly to remediate the issue. No additional mitigation steps are indicated by Apple beyond applying the official security updates.
Description
CVE-2024-23266 is a memory corruption vulnerability in the macOS kernel that could allow an app to cause unexpected system termination or write kernel memory. This issue affects multiple macOS versions including Monterey, Ventura, and Sonoma. Apple addressed the vulnerability by improving locking mechanisms in the kernel. The CVSS score is 5.5, indicating a medium severity level. No known exploits are reported in the wild. The vulnerability is fixed in macOS Monterey 12.7.4, macOS Ventura 13.6.
References
- support.apple.com/en-us/120884 (opens in a new tab)
- support.apple.com/en-us/120886 (opens in a new tab)
- support.apple.com/en-us/120895 (opens in a new tab)
- support.apple.com/en-us/HT214083 (opens in a new tab)
- support.apple.com/en-us/HT214085 (opens in a new tab)
- support.apple.com/en-us/HT214084 (opens in a new tab)
- seclists.org/fulldisclosure/2024/Mar/21 (opens in a new tab)
- seclists.org/fulldisclosure/2024/Mar/22 (opens in a new tab)
- seclists.org/fulldisclosure/2024/Mar/23 (opens in a new tab)
- support.apple.com/kb/HT214085 (opens in a new tab)
- support.apple.com/kb/HT214084 (opens in a new tab)
- support.apple.com/kb/HT214083 (opens in a new tab)