CVE-2026-84531

6.2 mediumEPSS 0.1%

Medium (6.2) in apple. EPSS 0.1% chance of exploitation in the next 30 days.

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 27 and iPadOS 27, macOS Golden Gate 27. Processing maliciously crafted NTLM input may lead to unexpected app termination.

Severity

CVSS 3.1

6.2 medium

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS: 0.1% chance of exploitation in the next 30 days; higher than 4% of CVEs (scores of 2026-10-31)
CWE: CWE-787
Published: 2026-09-14
Modified: 2026-09-18
Record from: the NVD, synced 2026-10-19

Affected

apple:ipados
apple:iphone_os
apple:macos

References

https://support.apple.com/en-us/149034
https://support.apple.com/en-us/149035

Check your stack JSON