CVE-2026-84571CWE-120

CVE-2026-84571

Medium · published September 15, 2026

CVSS v3.1
4.3
EPSS
0%
Percentile
33.0
In the wild
Unconfirmed
What it is

A buffer overflow 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.

The record
Technical detail
CVSS v3.1
4.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
CVSS v4.0
Not supplied
EPSS
0.00399 · 33.0th 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< 27.027.0
apple/iphone_os< 27.027.0
apple/macos< 27.027.0
apple/tvos< 27.027.0
apple/visionos< 27.027.0
apple/watchos< 27.027.0
References (5)
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/149037 · [email protected]https://support.apple.com/en-us/149038 · [email protected]
EPSS history
Timeline
  • 17 SEP 03:33Z
    EPSS moved — → 0%
    epss
  • 14 SEP 20:49Z
    A buffer overflow was addressed with improved bounds checking
    cvelistv5