---
id: "CVE-2026-95974"
page: "https://infrastack.ai/live/CVE-2026-95974"
kind: "vulnerability"
aliases: ["CVE-2026-95974"]
title: "Windows Graphics Kernel: heap overflow lets a local user gain higher privileges"
severity: "high"
cvss: 7.0
epss: null
exploited: false
status: "open"
category: "infrastructure"
products: []
ecosystems: []
tags: ["infrastructure", "local-privilege-escalation", "windows", "windows-server"]
not_affected_if: []
published_at: "2026-11-10T19:21:53+00:00"
first_seen_at: "2026-11-10T19:25:25+00:00"
updated_at: "2026-11-10T20:37:47+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-95974", "first_seen_at": "2026-11-10T19:25:25+00:00"}, {"source": "analyst", "url": "https://app.opencve.io/cve/CVE-2026-95974", "first_seen_at": "2026-11-10T20:37:47+00:00", "cites": ["https://app.opencve.io/cve/CVE-2026-95974"]}]
exploit_sources: []
---

# Windows Graphics Kernel: heap overflow lets a local user gain higher privileges

Link for people: https://infrastack.ai/live/CVE-2026-95974 (this .md is for agents)

A heap-based buffer overflow in the Windows Graphics Kernel lets a user who already has an account on the machine run code with higher privileges. The sources give no further detail on the trigger or affected builds.

_Summary, check and fix written by a model from the sources; labelled as such._

## How to check

- Open the Microsoft Security Update Guide entry for CVE-2026-95974 and find your Windows version in the Security Updates table to get the fixed build/KB (not confirmed here)
- Run `winver` and compare the build to that fixed build
- Check Windows Update for pending cumulative updates

## Timeline

- 2026-11-10T19:25:25+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-95974
- 2026-11-10T20:37:47+00:00 analyst https://app.opencve.io/cve/CVE-2026-95974 — Could not read the MSRC Update Guide (JS-only page; CVRF API returned 404 or was too large) and NVD page gave no detail. No affected builds, KB or exploitation info confirmed. Nothing verified. Search/X not used.

## Documents

- [describes] OpenCVE: CVE-2026-95974 (mirrors Microsoft CNA record) https://app.opencve.io/cve/CVE-2026-95974

## From the sources

Heap-based buffer overflow in Windows Graphics Kernel allows an authorized attacker to elevate privileges locally.

---

_Free to read, with fair use of about 60 pages a minute. For higher limits or API access: sales@infrastack.ai_