CVE-2026-86953
mediumAn out-of-bounds write issue was addressed with improved bounds checking.
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 27 and iPadOS 27, macOS Golden Gate 27, tvOS 27, visionOS 27, watchOS 27. An attacker in physical proximity may be able to cause a denial-of-service.
CVSS
4.6
4.6 (CVSS v3.1)
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Severity source: NVD CVSS v3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
Timeline (UTC)
Published: 2026-10-20 01:17
Modified: 2026-10-20 15:03
NVD status: Awaiting Analysis
Last synced 1 day ago
Verified against the source API 2026-10-27 07:04 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
Not reported by the source (unknown — not "none").
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://support.apple.com/en-us/149034 product-security@apple.com
- https://support.apple.com/en-us/149035 product-security@apple.com
- https://support.apple.com/en-us/149036 product-security@apple.com
- https://support.apple.com/en-us/149037 product-security@apple.com
- https://support.apple.com/en-us/149038 product-security@apple.com
Data sources
NVD CVE API 2.0 — fetched 2026-10-27 07:04 UTC · record ↗