CVE-2026-65413: Apple macOS · Integer Overflow
Affects Apple macOSSource CVE Database V5
Not known to be exploited · CVSS 5.5 Medium · fixed in 27 : update Apple macOS when convenient.
Data as of 30 Oct 2026, 06:59 UTC
Thin evidence
One scorer or none| CISA-ADP | CVSS 3.1 | 5.5 |
|---|
- EPSS
- 0.1% chance of exploitation in 30 days – higher than 5% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 27, 26.7, 15.8
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:NExploitation evidence
Disclosed: evidence found.
CVE published 14 Sep 2026
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 29 Oct 2026.
What to do
Upgrade Apple macOS to 27, 26.7 or 15.8.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| ApplemacOS | Affected
| Fixed in
|
| ApplemacOS | Affected
| Fixed in
|
| ApplemacOS | Affected
| Fixed in
|
AI-suggested
Apply the official fixes by upgrading to macOS Golden Gate 27, macOS Sequoia 15.8, or macOS Tahoe 26.7 or later. No additional mitigation steps are indicated.
Description
CVE-2026-65413 is an integer overflow vulnerability in Apple macOS that could allow an app to cause a denial of service. The issue was addressed by improved input validation and fixed in macOS Golden Gate 27, macOS Sequoia 15.8, and macOS Tahoe 26.7. The vulnerability has a medium severity rating with a CVSS score of 5.5.