LearnCTEM.com, Best CTEM Learning Platform
CVE Intelligence Hub

CVE-2026-112760: Microsoft Windows Overlay Filter Integer Overflow Vulnerability

CVE-2026-112760 explained: high Integer Overflow in Microsoft Windows Overlay Filter. CVSS 7.8. Affected versions, detection, fixes and CTEM priority.

Last updated: Nov 10, 2026

CVSS
7.8 HIGH
EPSS
n/a
CISA KEV
Not listed
CWE
CWE-190

Sources: National Vulnerability Database, CVE.org, CISA KEV, FIRST EPSS

CVE-2026-112760 Overview

Integer overflow or wraparound in Windows Overlay Filter allows an unauthorized attacker to elevate privileges locally.

Critical Impact

Local or adjacent, unauthenticated attackers who persuade a user to act can exploit this Integer Overflow in Microsoft Windows Overlay Filter. The CVSS base score is 7.8 (High).

Affected Products

  • Microsoft Windows Overlay Filter: see the vendor advisory for the exact affected versions

Discovery Timeline

  • 2026-11-10: CVE-2026-112760 published to the National Vulnerability Database by secure@microsoft.com
  • 2026-11-10: last updated in the NVD database

Technical Details for CVE-2026-112760

Vulnerability Analysis

CVE-2026-112760 is a Integer Overflow weakness (CWE-190: Integer Overflow) in Microsoft Windows Overlay Filter. Based on its CVSS vector, the flaw needs local or adjacent access, needs no login, and relies on a user taking an action. A number wraps around and leads to wrong size calculations.

With a CVSS base score of 7.8, apply the vendor fix and confirm exposure on internet facing and business critical assets first.

Root Cause

The weakness is classified as CWE-190: Integer Overflow. A number wraps around and leads to wrong size calculations.

Attack Vector

Based on the CVSS vector, the flaw needs local or adjacent access, needs no login, and relies on a user taking an action. Attack complexity is low complexity.

No exploitation in the wild is confirmed by CISA at the time of the last update. Check the references below for any vendor or researcher proof of concept.

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

Detection Methods for CVE-2026-112760

Detection Strategies

  • Inventory every instance of Microsoft Windows Overlay Filter and compare the running version with the affected range above.
  • Check external attack surface scans for internet facing instances of the component.
  • Run an authenticated vulnerability scan once your scanner ships a check for this CVE.

Monitoring Recommendations

  • Forward Microsoft Windows Overlay Filter application, access and audit logs to your SIEM for retrospective hunting.
  • Alert on new processes, configuration changes or outbound connections from the affected service.
  • Track the vendor advisory and the CISA KEV catalog for changes in exploitation status.

How to Mitigate CVE-2026-112760

Immediate Actions Required

  • Apply the fixed version of Microsoft Windows Overlay Filter named in the vendor advisory.
  • Prioritize internet facing and business critical instances first.
  • Rescan after the change to confirm the exposure is closed.

Patch Information

Use the fixed version listed in the vendor advisory for Microsoft Windows Overlay Filter.

Workarounds

  • If patching must wait, restrict network access to the affected service and place it behind authentication or a web application firewall rule.

CWE References

Technical References

This entry is built directly from NVD, CISA KEV and EPSS data. Verify fixed versions in the vendor advisory before you deploy.

Frequently asked questions

CVE-2026-112760 is a high severity Integer Overflow in Microsoft Windows Overlay Filter with a CVSS score of 7.8. Apply the vendor fix and confirm exposure on internet facing and business critical assets first.

Related CVEs

All Microsoft CVEs in 2026
Your next credential

Earn your free CTEM certification.

Learn to scope, prioritize, validate and mobilize fixes for CVEs like CVE-2026-112760 with a free CTEM certification.

Free to takePublicly verifiable

Beginner / Practitioner / Program Leader

Explore certifications