CVE-2026-65391CWE-190

CVE-2026-65391

High · published September 15, 2026

CVSS v3.1
8.8
EPSS
0%
Percentile
34.4
In the wild
Unconfirmed
What it is

An out-of-bounds write issue was addressed with improved bounds checking. 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.

The record
Technical detail
CVSS v3.1
8.8 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00413 · 34.4th percentile
Weakness
CWE-190 · Integer Overflow or Wraparound
Published
2026-09-15T01:17Z
Affected products (7)
ProductVersionsFixed in
apple/safari< 26.6.126.6.1
apple/ipados< 26.6.126.6.1
apple/iphone_os< 26.6.126.6.1
apple/macos< 26.6.226.6.2
apple/tvos< 27.027.0
apple/visionos< 27.027.0
apple/watchos< 27.027.0
References (6)
https://support.apple.com/en-us/148281 · [email protected]https://support.apple.com/en-us/148282 · [email protected]https://support.apple.com/en-us/148286 · [email protected]https://support.apple.com/en-us/149036 · [email protected]https://support.apple.com/en-us/149037 · [email protected]https://support.apple.com/en-us/149038 · [email protected]
EPSS history
Timeline
  • 16 SEP 04:29Z
    EPSS moved — → 0%
    epss
  • 14 SEP 20:47Z
    An out-of-bounds write issue was addressed with improved bounds checking
    cvelistv5