CVE-2026-112552

9.8 CRITICAL 0.6% exploit odds Fix listed Memory safety OS & kernel

What it is

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Golden Gate 27.2, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2. An attacker with control of a network file server may be able to cause unexpected system termination.

At a glance

Exploitability: Can be exploited over the network without logging in. High risk of data exposure, data tampering, service disruption.
Exploit odds: 0.6% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2026-10-19 17:05 UTC ReservedThe CVE id was reserved by its CNA
2026-10-26 21:17 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-11-03 21:17 UTC Last updatedMost recent change to the record

Details

Published: 2026-10-26 21:17 UTC
Last modified: 2026-11-03 21:17 UTC
Exploit probability: 0.6% · EPSS, next 30 days
Weakness: CWE-787 · Out-of-bounds write
Record status: Undergoing Analysis

Attack profile CVSS 3.1 · 9.8

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None
Scope: Unchanged
Confidentiality: High
Integrity: High
Availability: High

Raw vector

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

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References

NVD record · CVE.org record