CVE-2026-65390
highAn integer overflow was addressed with improved input validation.
Vendor / product: Apple — safari
An integer overflow was addressed with improved input validation. This issue is fixed in Safari 26.6.1, iOS 26.6.1 and iPadOS 26.6.1, macOS Tahoe 26.6.2, tvOS 27, visionOS 27, watchOS 27. Processing maliciously crafted web content may lead to 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 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
Timeline (UTC)
Published: 2026-09-14 21:17
Modified: 2026-09-16 14:12
NVD status: Analyzed
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 / safari <26.6.1
apple / ipados <26.6.1
apple / iphone_os <26.6.1
apple / macos <26.6.2
apple / tvos <27.0
apple / visionos <27.0
apple / watchos <27.0
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/148281
Vendor advisory: https://support.apple.com/en-us/148282
Vendor advisory: https://support.apple.com/en-us/148286
Vendor advisory: https://support.apple.com/en-us/149036
Vendor advisory: https://support.apple.com/en-us/149037
Vendor advisory: https://support.apple.com/en-us/149038
References
- https://support.apple.com/en-us/148281 product-security@apple.com
- https://support.apple.com/en-us/148282 product-security@apple.com
- https://support.apple.com/en-us/148286 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 06:53 UTC · record ↗