---
id: CVE-2022-26931
title: Windows Kerberos Elevation of Privilege Vulnerability
summary: Windows Kerberos Elevation of Privilege Vulnerability
severity: high
cvss: 7.5
cvssVector: 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C'
cvssSource: cna
vendor: Microsoft
product: Windows 10 Version 1809
affected:
  - windows_10_version_1809 >= 10.0.17763.0 < 10.0.17763.2928
  - windows_10_version_1809 >= 10.0.0 < 10.0.17763.2928
  - windows_server_2019 >= 10.0.17763.0 < 10.0.17763.2928
  - >-
    windows_server_2019_server_core_installation >= 10.0.17763.0 <
    10.0.17763.2928
  - windows_10_version_1909 >= 10.0.0 < 10.0.18363.2274
  - windows_10_version_21h1 >= 10.0.0 < 10.0.19043.1706
  - windows_server_2022 >= 10.0.20348.0 < 10.0.20348.707
  - windows_10_version_20h2 >= 10.0.0 < 10.0.19042.1706
  - windows_server_version_20h2 >= 10.0.0 < 10.0.19042.1706
  - windows_11_version_21h2 >= 10.0.0 < 10.0.22000.675
  - windows_10_version_21h2 >= 10.0.19043.0 < 10.0.19043.1706
  - windows_10_version_1507 >= 10.0.10240.0 < 10.0.10240.19297
  - windows_10_version_1607 >= 10.0.14393.0 < 10.0.14393.5125
  - windows_server_2016 >= 10.0.14393.0 < 10.0.14393.5125
  - >-
    windows_server_2016_server_core_installation >= 10.0.14393.0 <
    10.0.14393.5125
  - windows_7 >= 6.1.0 < 6.1.7601.25954
  - windows_7_service_pack_1 >= 6.1.0 < 6.1.7601.25954
  - windows_8.1 >= 6.3.0 < 6.3.9600.20371
  - windows_server_2008_service_pack_2 >= 6.0.6003.0 < 6.0.6003.21481
  - >-
    windows_server_2008_service_pack_2_server_core_installation >= 6.0.6003.0 <
    6.0.6003.21481
  - windows_server_2008_service_pack_2 >= 6.0.6003.0 < 6.0.6003.21481
  - windows_server_2008_r2_service_pack_1 >= 6.1.7601.0 < 6.1.7601.25954
  - >-
    windows_server_2008_r2_service_pack_1_server_core_installation >= 6.1.7601.0
    < 6.1.7601.25954
  - windows_server_2012 >= 6.2.9200.0 < 6.2.9200.23714
  - windows_server_2012_server_core_installation >= 6.2.9200.0 < 6.2.9200.23714
  - windows_server_2012_r2 >= 6.3.9600.0 < 6.3.9600.20371
  - >-
    windows_server_2012_r2_server_core_installation >= 6.3.9600.0 <
    6.3.9600.20371
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-11-02T18:25:27.569179Z'
published: '2022-05-10'
updated: '2026-11-02'
sourceUpdated: '2026-11-02T18:25:34.869Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2022-26931'
references:
  - url: 'https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-26931'
    label: Windows Kerberos Elevation of Privilege Vulnerability
tags:
  - cve.org
epss: 0.02688
epssPercentile: 0.85911
ingestedAt: '2026-11-05T19:30:42.774Z'
---

## Overview

Windows Kerberos Elevation of Privilege Vulnerability

## Affected

- `windows_10_version_1809 >= 10.0.17763.0 < 10.0.17763.2928`
- `windows_10_version_1809 >= 10.0.0 < 10.0.17763.2928`
- `windows_server_2019 >= 10.0.17763.0 < 10.0.17763.2928`
- `windows_server_2019_server_core_installation >= 10.0.17763.0 < 10.0.17763.2928`
- `windows_10_version_1909 >= 10.0.0 < 10.0.18363.2274`
- `windows_10_version_21h1 >= 10.0.0 < 10.0.19043.1706`
- `windows_server_2022 >= 10.0.20348.0 < 10.0.20348.707`
- `windows_10_version_20h2 >= 10.0.0 < 10.0.19042.1706`
- `windows_server_version_20h2 >= 10.0.0 < 10.0.19042.1706`
- `windows_11_version_21h2 >= 10.0.0 < 10.0.22000.675`
- `windows_10_version_21h2 >= 10.0.19043.0 < 10.0.19043.1706`
- `windows_10_version_1507 >= 10.0.10240.0 < 10.0.10240.19297`
- `windows_10_version_1607 >= 10.0.14393.0 < 10.0.14393.5125`
- `windows_server_2016 >= 10.0.14393.0 < 10.0.14393.5125`
- `windows_server_2016_server_core_installation >= 10.0.14393.0 < 10.0.14393.5125`
- `windows_7 >= 6.1.0 < 6.1.7601.25954`
- `windows_7_service_pack_1 >= 6.1.0 < 6.1.7601.25954`
- `windows_8.1 >= 6.3.0 < 6.3.9600.20371`
- `windows_server_2008_service_pack_2 >= 6.0.6003.0 < 6.0.6003.21481`
- `windows_server_2008_service_pack_2_server_core_installation >= 6.0.6003.0 < 6.0.6003.21481`
- `windows_server_2008_service_pack_2 >= 6.0.6003.0 < 6.0.6003.21481`
- `windows_server_2008_r2_service_pack_1 >= 6.1.7601.0 < 6.1.7601.25954`
- `windows_server_2008_r2_service_pack_1_server_core_installation >= 6.1.7601.0 < 6.1.7601.25954`
- `windows_server_2012 >= 6.2.9200.0 < 6.2.9200.23714`
- `windows_server_2012_server_core_installation >= 6.2.9200.0 < 6.2.9200.23714`
- `windows_server_2012_r2 >= 6.3.9600.0 < 6.3.9600.20371`
- `windows_server_2012_r2_server_core_installation >= 6.3.9600.0 < 6.3.9600.20371`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.