CVE-2026-43815
highA buffer overflow was addressed with improved bounds checking.
Vendor / product: Apple — macos
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
8.8
8.8 (CVSS v3.1)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Severity source: NVD CVSS v3.1 (nvd@nist.gov)
Timeline (UTC)
Published: 2026-09-14 21:17
Modified: 2026-09-18 04:17
NVD status: Modified
Last synced 1 day ago
Verified against the source API 2026-10-27 06:53 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
apple / macos ≥14.0 <14.8.8, ≥15.0 <15.7.8, ≥26.0 <26.6
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
Vendor advisory: https://support.apple.com/en-us/128067
Vendor advisory: https://support.apple.com/en-us/128071
Vendor advisory: https://support.apple.com/en-us/128072
References
- https://support.apple.com/en-us/128067 product-security@apple.com
- https://support.apple.com/en-us/128071 product-security@apple.com
- https://support.apple.com/en-us/128072 product-security@apple.com
Data sources
NVD CVE API 2.0 — fetched 2026-10-27 06:53 UTC · record ↗