CVE-2022-26923
Exploited in the wild. In CISA KEV since 2022‑08‑18. Fixed versions are out.
What to do
Find your product and version, then upgrade to the build on the right.
- Microsoft Windows 10 Version 1809Affected: ≥ 10.0.17763.0, < 10.0.17763.4252Upgrade to: 10.0.17763.4252Affected: ≥ 10.0.0, < 10.0.18363.2274Upgrade to: 10.0.18363.2274Affected: ≥ 10.0.0, < 10.0.19043.1706Upgrade to: 10.0.19043.1706Affected: ≥ 10.0.0, < 10.0.19042.1706Upgrade to: 10.0.19042.1706 + 3 more branchesStated by: CVE record
- Microsoft Windows 11 version 21H2Affected: ≥ 10.0.0, < 10.0.22000.1817Upgrade to: 10.0.22000.1817Stated by: CVE record
- Microsoft Windows Server 2016Affected: ≥ 10.0.14393.0, < 10.0.14393.5850Upgrade to: 10.0.14393.5850Stated by: CVE record
- Microsoft Windows Server 2019Affected: ≥ 10.0.17763.0, < 10.0.17763.4252Upgrade to: 10.0.17763.4252Stated by: CVE record
- Microsoft Windows Server 2022Affected: ≥ 10.0.20348.0, < 10.0.20348.1668Upgrade to: 10.0.20348.1668Stated by: CVE record
Versions as the sources state them. 3 more products have version data. Full version matrix after sign-in
Coverage timeline
1 publisherExploitation reported in the wild
Added to CISA KEV catalog
Sourced from public security reporting — each date is when it was published, not when it happened.
What it is
From the CVE record
Active Directory Domain Services Elevation of Privilege Vulnerability
In plain language
No plain-language summary for this CVE yet.
Exploitation
Where each signal puts this CVE on the scale from published to confirmed exploited.
- CISA KEV
Listed as exploited in the wild since 2022-08-18.
US federal agencies must remediate by 2022-09-08.
Apply updates per vendor instructions.
- Public exploits
No public exploit or proof of concept found in the sources we track.
- EPSS
84% chance of exploitation activity in the next 30 days, which ranks it in the 99th percentile of scored CVEs.
Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.
Lifecycle
8 events over 1507 days, from the signal feeds we watch.
- OpenVAS check added
- EPSS band changecritical → high
- Patch availablerecord updated
- Added to CISA KEV
- Publishedweakness classified, att&ck mapped
Affected products
- Windows 10 Version 1809Operating Systems / windows
- Windows 11 version 21H2Operating Systems / windows
- Windows 8.1Operating Systems / windows
- Windows RT 8.1Operating Systems / windows
- windows server 2012Operating Systems / windows
- Windows Server 2016 (Server Core installation)Operating Systems / windows
- Windows Server 2019 (Server Core installation)Operating Systems / windows
- Windows Server 2022 (Server Core installation)Operating Systems / windows
And 42 more affected products. See all after sign-in
Technical detail
CVSS 3.1 vector
Open in the CVSS calculatorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Scored 8.8 by NVD.
How it is reached
- Attack Vector NetworkExploitable remotely over the network without any special conditions
- Attack Complexity LowNo special conditions — the attack can be reliably reproduced
- Privileges Required LowRequires basic user-level privileges
- User Interaction NoneNo user interaction needed — fully automated exploitation
Scope
- Scope UnchangedImpact is limited to the vulnerable component itself
Impact if exploited
- Confidentiality HighTotal information disclosure — all data in the component is compromised
- Integrity HighTotal loss of integrity — attacker can modify any data in the component
- Availability HighTotal denial of service — the component is completely unavailable
Weaknesses
ATT&CK techniques
Mapped from the weaknesses above (CWE to ATT&CK), not observed in attacks.
Sources
References in the record
- msrc.microsoft.com/update-guide/vulnerability/CVE-2022-26923
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-26923
- cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-26923
And 3 more references. See all after sign-in
Analysis on the cve.tools blog
In the news
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We'll flag the next CVE, public exploit or patch for Windows 10 Version 1809, not every advisory. This one: actively exploited.
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