Vulnerability details

CVE-2026-84565

Apple macOS
CVSS 3.1
7.1High

Official description

An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. Processing a maliciously crafted disk image may lead to unexpected app termination.

CVSS scores

ScoreVersionSourceVector
7.1High 3.1 CISA ADP / Vulnrichment (CISA-ADP) CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H

Affected products

VendorProductVersionsSource
Apple macOS v < 15.8 CVEProject cvelistV5 (CNA)
Apple macOS v < 26.7 CVEProject cvelistV5 (CNA)
Apple macOS v < 27 CVEProject cvelistV5 (CNA)

References and advisories

3
Kolun on Telegram @kolunsec Exploited CVEs, key news and a daily digest Alerts for this product's next CVEsFollow the product to get new vulnerabilities on Telegram.

Details

Published
2026-09-15
Last updated
2026-10-27
State
Published
Assigner (CNA)
apple

Exploit prediction (EPSS)

0.16%
Probability of exploitation in 30 days
5.8%
Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable
No
Exploitation
None
Technical impact
Partial

Weaknesses (CWE)

  • CWE-125
    Out-of-bounds Read