CVE-2026-86918
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. Processing a maliciously crafted image may lead to unexpected app termination.
CVSS
4.3
4.3 (CVSS v3.1)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L Severity source: NVD CVSS v3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
Timeline (UTC)
Published: 2026-10-20 01:17
Modified: 2026-10-20 15:17
NVD status: Awaiting Analysis
Last synced 2 days 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 ↗