Skip to main content
No exploitation reportedAwaiting NVD analysis

CVE-2026-112553

Out-of-Bounds Write Causing Unexpected App Termination in macOS

No exploitation reported by the sources we read.

  • Published2026-10-26
  • WeaknessCWE-787

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

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. Processing a maliciously crafted file may lead to unexpected app termination.

Timeline

dates in UTC
  1. 2026-10-2620:42CVE publishedCNA

Versions per branch

Products declared by the CNA

As apple, the CNA that assigned this CVE, declared them in the CVE record; versions as written. NVD lists no product for this CVE yet: this is the only product data so far.

  • Apple macOS
    Affected
    • < 15.8.2fixed in 15.8.2custom
    • < 26.7.2fixed in 26.7.2custom
    • < 27.2fixed in 27.2custom

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2026-10-26

Neither OSV.dev nor the vendor advisories we read list affected versions for CVE-2026-112553 yet.

Full record on NVD

Fix

No fix published by the sources we read yet. NVD record

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Published
2026-10-26
Last Modified
2026-11-04
NVD status
Undergoing Analysis
GitHub Advisory
GHSA-f36w-77c8-492q

Frequently asked questions

What is CVE-2026-112553?

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. Processing a maliciously crafted file may lead to unexpected app termination.

Is CVE-2026-112553 actively exploited?

Active exploitation of CVE-2026-112553 has not been confirmed. Its EPSS score was 0.2% on 2026-11-04, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-112553?

CVE-2026-112553 has a CVSS v3 base score of 7.8 (HIGH severity), with vector string CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Hear about the next vulnerability in your software

Surveillance reads the versions in your stack — a domain, a lockfile or a list — checks each CVE against the ranges its sources publish, and alerts you when one you run is exploited or enters CISA KEV. A version it cannot read stays « version not verified ».

Get alerts for this productCISA KEV additions, November 2026Search CVEs

No credit card required · No monthly cap on website lookups · 250 API requests/month

Go further

Related vulnerabilities

Same product first, then the same vendor advisory and the same publication week.

Back to CVE Database

Sources for this record