CVE-2026-84497CWE-120

CVE-2026-84497

High · published September 15, 2026

CVSS v3.1
7.8
EPSS
0%
Percentile
7.9
In the wild
Unconfirmed
What it is

A buffer overflow was addressed with improved size validation. This issue is fixed in iOS 26.7 and iPadOS 26.7, iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7, tvOS 27, visionOS 27. Opening a maliciously crafted file may lead to unexpected process termination.

The record
Technical detail
CVSS v3.1
7.8 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00188 · 7.9th percentile
Weakness
CWE-120 · Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Published
2026-09-15T01:17Z
Affected products (6)
ProductVersionsFixed in
apple/ipados< 26.726.7
apple/iphone_os< 26.726.7
apple/macos≥ 15.0, < 15.815.8
apple/macos≥ 26.0, < 26.726.7
apple/tvos< 27.027.0
apple/visionos< 27.027.0
References (7)
https://support.apple.com/en-us/149034 · [email protected]https://support.apple.com/en-us/149035 · [email protected]https://support.apple.com/en-us/149036 · [email protected]https://support.apple.com/en-us/149038 · [email protected]https://support.apple.com/en-us/149041 · [email protected]https://support.apple.com/en-us/149042 · [email protected]https://support.apple.com/en-us/149043 · [email protected]
EPSS history
Timeline
  • 17 SEP 03:33Z
    EPSS moved — → 0%
    epss
  • 14 SEP 20:48Z
    A buffer overflow was addressed with improved size validation
    cvelistv5