CVE-2023-41064: Apple macOS · Buffer Overflow
Affects Apple macOSSource CVE Database V5
Exploited in the wild · KEV due 2 Oct 2023 · 53% EPSS · fixed in 16.6.1 : patch Apple macOS now.
Data as of 26 Oct 2026, 12:54 UTC
- KEV deadline
- US federal agencies must patch by this date; a sensible deadline for everyone else.
- EPSS
- 53.4% chance of exploitation in 30 days – higher than 98% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 16.6.1
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HExploitation evidence
t = 0 is the CVE’s publication on cve.org
Disclosed: evidence found.
CVE published 7 Sep 2023
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: evidence found.
Listed in CISA KEV 4 days after disclosure
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
Timeline
CVE ID reserved
by Apple Inc.
, 16 days before disclosure
CVE published
on cve.org
, t = 0
Added to CISA KEV (opens in a new tab)
exploitation confirmed
, 4 days after disclosure
KEV remediation due
US federal deadline
, 25 days after disclosure
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), CISA KEV (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Description
A buffer overflow issue was addressed with improved memory handling. This issue is fixed in iOS 16.6.1 and iPadOS 16.6.1, macOS Monterey 12.6.9, macOS Ventura 13.5.2, iOS 15.7.9 and iPadOS 15.7.9, macOS Big Sur 11.7.10. Processing a maliciously crafted image may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited.
References
- support.apple.com/en-us/HT213914 (opens in a new tab)
- support.apple.com/en-us/HT213915 (opens in a new tab)
- support.apple.com/en-us/HT213905 (opens in a new tab)
- support.apple.com/en-us/HT213913 (opens in a new tab)
- support.apple.com/en-us/HT213906 (opens in a new tab)
- openwall.com/lists/oss-security/2023/09/21/4 (opens in a new tab)
- support.apple.com/kb/HT213915 (opens in a new tab)
- support.apple.com/kb/HT213913 (opens in a new tab)
- cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-41064 (opens in a new tab)