CVE-2026-43790CWE-787

CVE-2026-43790

Critical · published September 15, 2026

CVSS v3.1
9.1
EPSS
1%
Percentile
53.3
In the wild
Unconfirmed
What it is

The issue was addressed with improved memory handling. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. A remote attacker may be able to cause unexpected system termination or corrupt kernel memory.

The record
Technical detail
CVSS v3.1
9.1 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00717 · 53.3th percentile
Weakness
CWE-787 · Out-of-bounds Write
Published
2026-09-15T01:17Z
Affected products (2)
ProductVersionsFixed in
apple/macos≥ 15.0, < 15.815.8
apple/macos≥ 26.0, < 26.726.7
References (3)
https://support.apple.com/en-us/149035 · [email protected]https://support.apple.com/en-us/149042 · [email protected]https://support.apple.com/en-us/149043 · [email protected]
EPSS history
Timeline
  • 16 SEP 04:27Z
    EPSS moved — → 0%
    epss
  • 14 SEP 20:49Z
    The issue was addressed with improved memory handling
    cvelistv5