CVE-2022-26723 — Out-of-bounds Write in Apple Macos

CWE-787 — Out-of-bounds WriteCWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer4 documents3 sources
Severity
9.8CRITICALNVD
EPSS
1.2%
top 20.96%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
Apple MacosApple Macos BIG SURApple Macos Monterey
Timeline
PublishedMay 26
Latest updateMay 27

Description

A memory corruption issue was addressed with improved input validation. This issue is fixed in macOS Monterey 12.4, macOS Big Sur 11.6.6. Mounting a maliciously crafted Samba network share may lead to arbitrary code execution.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9

Affected Packages4 packages

▶CVEListV5apple/macosunspecified — 11.6+1
▶NVDapple/macos11.0 — 11.6.6+1
▶Appleapple/macos_big_sur11.6.6

🔴Vulnerability Details

1
GHSA
GHSA-7f4c-c55r-hgmf: A memory corruption issue was addressed with improved input validation↗2022-05-27
▶

📋Vendor Advisories

2
Apple
CVE-2022-26723: macOS Big Sur 11.6.6↗2022-05-16
▶
Apple
CVE-2022-26723: macOS Monterey 12.4↗2022-05-16
▶