Vulnerability · Published Jul 27, 2026 · Assigned by apple
CVE-2026-43681
High 7.1
In plain English
A high-severity buffer overflow in macOS from Apple. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 6% of all known vulnerabilities).
Severity (CVSS 3.1)7.1High
Exploit odds (30 days)0.2%top 93.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
A buffer overflow was addressed with improved bounds checking. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. A local user may be able to read kernel memory.
Affected products (as reported)
Weakness: CWE-120 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H