Critical CVSS 8.8 EPSS 0.82989 2022-05 archive

Executive Summary

None

Overview

8.8
CVSS HIGH
Critical
MS Severity
Not Exploited
MS Exploit Status
More Likely
MS Exploit Likelihood
Category Elevation of Privilege
Released May 10 2022
Last Updated May 10 2022
Publicly Disclosed No
CISA KEV Listed (added 2022-08-18)
Known Exploits None Known
EPSS Score 0.82989 — 0.99646 percentile
NVD CVSS 8.8 HIGH — matches MSRC

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
ATTACK VECTOR
Network
ATTACK COMPLEXITY
Low
PRIVILEGES REQUIRED
Low
USER INTERACTION
None
SCOPE
Unchanged
CONFIDENTIALITY
High
INTEGRITY
High
AVAILABILITY
High
EXPLOIT CODE MATURITY
Unproven
REMEDIATION LEVEL
Official Fix
REPORT CONFIDENCE
Confirmed
Temporal Score: 7.7

EPSS Score

0.82989
probability of exploitation in the next 30 days
0.99646 percentile - updated 2026-08-14
View on FIRST.org

Affected Products

28 affected products
Product KB Article Severity Impact Restart Required
Windows 10 for 32-bit Systems 5013963 (Security Update) Critical Elevation of Privilege Yes
Windows 10 for x64-based Systems 5013963 (Security Update) Critical Elevation of Privilege Yes
Windows 10 Version 1607 for 32-bit Systems 5025228 (Security Update) Critical Elevation of Privilege Yes
Windows 10 Version 1607 for x64-based Systems 5025228 (Security Update) Critical Elevation of Privilege Yes
Windows 10 Version 1809 for 32-bit Systems 5025229 (Security Update) Critical Elevation of Privilege Yes
Windows 10 Version 1809 for ARM64-based Systems 5025229 (Security Update) Critical Elevation of Privilege Yes
Windows 10 Version 1809 for x64-based Systems 5025229 (Security Update) Critical Elevation of Privilege Yes
Windows 10 Version 1909 for 32-bit Systems 5013945 (Security Update) Critical Elevation of Privilege Yes
Windows 10 Version 1909 for ARM64-based Systems 5013945 (Security Update) Critical Elevation of Privilege Yes
Windows 10 Version 1909 for x64-based Systems 5013945 (Security Update) Critical Elevation of Privilege Yes
Windows 10 Version 20H2 for 32-bit Systems 5013942 (Security Update) Critical Elevation of Privilege Yes
Windows 10 Version 20H2 for ARM64-based Systems 5013942 (Security Update) Critical Elevation of Privilege Yes
Windows 10 Version 21H1 for 32-bit Systems 5013942 (Security Update) Critical Elevation of Privilege Yes
Windows 10 Version 21H1 for ARM64-based Systems 5013942 (Security Update) Critical Elevation of Privilege Yes
Windows 10 Version 21H1 for x64-based Systems 5013942 (Security Update) Critical Elevation of Privilege Yes
Windows 10 Version 21H2 for 32-bit Systems 5013942 (Security Update) Critical Elevation of Privilege Yes
Windows 10 Version 21H2 for ARM64-based Systems 5013942 (Security Update) Critical Elevation of Privilege Yes
Windows 10 Version 21H2 for x64-based Systems 5013942 (Security Update) Critical Elevation of Privilege Yes
Windows 11 version 21H2 for ARM64-based Systems 5025224 (Security Update) Critical Elevation of Privilege Yes
Windows 11 version 21H2 for x64-based Systems 5025224 (Security Update) Critical Elevation of Privilege Yes
Windows 8.1 for 32-bit systems 5014011 (Monthly Rollup) 5014001 (Security Only) Critical Elevation of Privilege 5012670 Base: 8.8 Temporal: 7.7 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C 6.3.9600.20371 6.3.9600.20365 Yes 5014011 5014001 Windows 8.1 for x64-based systems 5014011 (Monthly Rollup) 5014001 (Security Only) Critical Elevation of Privilege 5012670 Base: 8.8 Temporal: 7.7 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C 6.3.9600.20371 6.3.9600.20365 Yes 5014011 5014001 Windows RT 8.1 5014025 (ServicingStackUpdate) Critical Elevation of Privilege Yes
Windows Server 2012 R2 5025285 (Monthly Rollup) 5025288 (Security Only) Critical Elevation of Privilege 5023765 Base: 8.8 Temporal: 7.7 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C 6.3.9600.20919 Yes None Windows Server 2012 R2 (Server Core installation) 5025285 (Monthly Rollup) 5025288 (Security Only) Critical Elevation of Privilege 5023765 Base: 8.8 Temporal: 7.7 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C 6.3.9600.20919 Yes None Windows Server 2016 5025228 (Security Update) Critical Elevation of Privilege Yes
Windows Server 2016 (Server Core installation) 5025228 (Security Update) Critical Elevation of Privilege Yes
Windows Server 2019 5025229 (Security Update) Critical Elevation of Privilege Yes
Windows Server 2019 (Server Core installation) 5025229 (Security Update) Critical Elevation of Privilege Yes
Windows Server 2022 5025230 (Security Update) Critical Elevation of Privilege Yes
Windows Server 2022 (Server Core installation) 5025230 (Security Update) Critical Elevation of Privilege Yes
Windows Server, version 20H2 (Server Core Installation) 5013942 (Security Update) Critical Elevation of Privilege Yes

Patches

8 patches
Article Type Restart
5013963 Security Update Yes
5025228 Security Update Yes
5025229 Security Update Yes
5013945 Security Update Yes
5013942 Security Update Yes
5025224 Security Update Yes
5014025 ServicingStackUpdate Yes
5025230 Security Update Yes

Exploits & PoC

9 public PoCs
RepositoryStarsPublishedDescription
evilashz/PIGADVulnScanner 81 2023-10-17 检测域内常见一把梭漏洞,包括:NoPac、ZeroLogon、CVE-2022-26923、PrintNightMare
LudovicPatho/CVE-2022-26923_AD-Certificate-Services 41 2022-05-14 The vulnerability allowed a low-privileged user to escalate privileges to domain administrator in a default Active Directory environment with the Active Directory Certificate Services (AD CS) server r
lsecqt/CVE-2022-26923-Powershell-POC 17 2022-08-17 A powershell poc to load and automatically run Certify and Rubeus from memory.
r1skkam/TryHackMe-CVE-2022-26923 6 2022-05-12 Walkthrough on the exploitation of CVE-2022-26923, a vulnerability in AD Certificate Services
Gh-Badr/CVE-2022-26923 2 2023-11-28 A proof of concept exploiting CVE-2022-26923.
Eliasdekiniweek/CVE-2022-26923 1 2026-02-21 Exploitation de CVE-2022-26923
Yowise/CVE-2022-26923 0 2024-09-01
rayngnpc/CVE-2022-26923-rayng 0 2025-03-04 Exploitation for CVE-2022-26923
Nefhara/CVE-2022-26923 0 2026-05-29 Automated CVE-2022-26923 Exploitation (Certifried)

Detection Rules

Detection available

Sigma rules 1

Acknowledgments

Oliver Lyak (@ly4k_) of Institut For Cyber Risk working with Trend Micro Zero Day Initiative