CVE-2026-43815highCWE-787

CVE-2026-43815: high-severity vulnerability in Apple macOS

Published · Updated

Follow this CVE+ Monitor macOS

E-mail alert when it lands in KEV, gets a public PoC or its score goes up.

21Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 8.8epss 0.5%
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. Connecting to a malicious afpfs server may lead to kernel memory corruption.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Affected products
Apple · macOS
Related CVEs — Apple macOS

In the same product, most dangerous first.

CVE-2021-30860HIGHCVE-2021-30860EPSS 76.0%KEVCVE-2021-30657MEDIUMCVE-2021-30657EPSS 68.5%KEVCVE-2025-43300CRITICALCVE-2025-43300EPSS 63.2%KEVCVE-2023-32434HIGHCVE-2023-32434EPSS 58.2%KEVCVE-2023-41064HIGHCVE-2023-41064EPSS 53.4%KEVCVE-2021-30807HIGHCVE-2021-30807EPSS 28.8%KEV