---
id: "CVE-2024-26169"
kind: "vulnerability"
aliases: ["CVE-2024-26169"]
title: "Windows Error Reporting Service Elevation of Privilege Vulnerability"
severity: "high"
cvss: 7.8
epss: null
exploited: true
status: "open"
category: "infrastructure"
products: [{"name": "Microsoft Windows", "fixed": [], "affected": "", "ecosystem": "vendor"}, {"name": "microsoft windows 10 1507", "fixed": ["10.0.10240.20526"], "affected": "< 10.0.10240.20526", "ecosystem": "vendor"}, {"name": "microsoft windows 10 1607", "fixed": ["10.0.14393.6796"], "affected": "< 10.0.14393.6796", "ecosystem": "vendor"}, {"name": "microsoft windows 10 1809", "fixed": ["10.0.17763.5576"], "affected": "< 10.0.17763.5576", "ecosystem": "vendor"}, {"name": "microsoft windows 10 21h2", "fixed": ["10.0.19044.4170"], "affected": "< 10.0.19044.4170", "ecosystem": "vendor"}, {"name": "microsoft windows 10 22h2", "fixed": ["10.0.19045.4170"], "affected": "< 10.0.19045.4170", "ecosystem": "vendor"}, {"name": "microsoft windows 11 21h2", "fixed": ["10.0.22000.2836"], "affected": "< 10.0.22000.2836", "ecosystem": "vendor"}, {"name": "microsoft windows 11 22h2", "fixed": ["10.0.22621.3296"], "affected": "< 10.0.22621.3296", "ecosystem": "vendor"}, {"name": "microsoft windows 11 23h2", "fixed": ["10.0.22631.3296"], "affected": "< 10.0.22631.3296", "ecosystem": "vendor"}, {"name": "microsoft windows server 2008", "fixed": [], "affected": "", "ecosystem": "vendor"}, {"name": "microsoft windows server 2008", "fixed": [], "affected": "= r2", "ecosystem": "vendor"}, {"name": "microsoft windows server 2012", "fixed": [], "affected": "= r2", "ecosystem": "vendor"}, {"name": "microsoft windows server 2016", "fixed": [], "affected": "", "ecosystem": "vendor"}, {"name": "microsoft windows server 2019", "fixed": ["10.0.17763.5576"], "affected": "< 10.0.17763.5576", "ecosystem": "vendor"}, {"name": "microsoft windows server 2022", "fixed": ["10.0.20348.2333"], "affected": "< 10.0.20348.2333", "ecosystem": "vendor"}, {"name": "microsoft windows server 2022 23h2", "fixed": ["10.0.25398.763"], "affected": "< 10.0.25398.763", "ecosystem": "vendor"}]
ecosystems: ["vendor"]
tags: ["endpoints", "exploited", "infrastructure", "ransomware", "windows", "windows-servers"]
not_affected_if: ["fully-patched-windows"]
published_at: "2024-03-12T17:15:56+00:00"
first_seen_at: "2026-10-23T19:11:51+00:00"
updated_at: "2026-10-23T22:29:05+00:00"
sources: [{"source": "kev", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2024-26169", "first_seen_at": "2026-10-23T19:11:51+00:00"}, {"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-26169", "first_seen_at": "2026-10-23T22:29:05+00:00"}]
---

# Windows Error Reporting Service Elevation of Privilege Vulnerability

A flaw in the Windows Error Reporting Service lets a local user with ordinary permissions gain SYSTEM privileges. Attackers have used it in real attacks, and CISA lists it as known exploited with ransomware tags.

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

## Affected

- vendor:Microsoft Windows affected ? fixed ?
- vendor:microsoft windows 10 1507 affected < 10.0.10240.20526 fixed 10.0.10240.20526
- vendor:microsoft windows 10 1607 affected < 10.0.14393.6796 fixed 10.0.14393.6796
- vendor:microsoft windows 10 1809 affected < 10.0.17763.5576 fixed 10.0.17763.5576
- vendor:microsoft windows 10 21h2 affected < 10.0.19044.4170 fixed 10.0.19044.4170
- vendor:microsoft windows 10 22h2 affected < 10.0.19045.4170 fixed 10.0.19045.4170
- vendor:microsoft windows 11 21h2 affected < 10.0.22000.2836 fixed 10.0.22000.2836
- vendor:microsoft windows 11 22h2 affected < 10.0.22621.3296 fixed 10.0.22621.3296
- vendor:microsoft windows 11 23h2 affected < 10.0.22631.3296 fixed 10.0.22631.3296
- vendor:microsoft windows server 2008 affected ? fixed ?
- vendor:microsoft windows server 2008 affected = r2 fixed ?
- vendor:microsoft windows server 2012 affected = r2 fixed ?
- vendor:microsoft windows server 2016 affected ? fixed ?
- vendor:microsoft windows server 2019 affected < 10.0.17763.5576 fixed 10.0.17763.5576
- vendor:microsoft windows server 2022 affected < 10.0.20348.2333 fixed 10.0.20348.2333
- vendor:microsoft windows server 2022 23h2 affected < 10.0.25398.763 fixed 10.0.25398.763

## Fix

Apply the Microsoft Windows update for CVE-2024-26169 per vendor instructions; the sources do not name the patched build.

## Timeline

- 2026-10-23T19:11:51+00:00 kev https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2024-26169
- 2026-10-23T22:29:05+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2024-26169

## From the sources

Microsoft Windows Error Reporting Service contains an improper privilege management vulnerability that allows a local attacker with user permissions to gain SYSTEM privileges.

CISA required action: Apply updates per vendor instructions or discontinue use of the product if updates are unavailable.

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_Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai_