CVE-2022-26923

Active Directory Domain Services Elevation of Privilege Vulnerability

HIGH

8.8

CVSS Score

Published: May 10, 2022 at 08:33 PM UTC

Updated: June 17, 2026 at 04:36 AM UTC

15 products affected across 1 vendorWindows Server 2016Windows Server 2019Windows Server 2012

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Severity

HIGH8.8

Exploitation

CISA KEV

Exploit prediction

EPSS 84%

SSVC

Active

Actively Exploited

CISA Known Exploited Vulnerabilities (KEV) Catalog

EPSS Score83.5%

EPSS (Exploit Prediction Scoring System) estimates a 83.5% chance this CVE is exploited in the wild within the next 30 days — higher than 100% of all CVEs. It complements CVSS: a high EPSS on a mid-severity CVE can still be urgent.

An authenticated user could manipulate attributes on computer accounts they own or manage, and acquire a certificate from Active Directory Certificate Services that would allow for privilege escalation to SYSTEM.

Required Action

Apply updates per vendor instructions.

Ransomware Use

Unknown

Added to KEV

Aug 18, 2022

Remediation Due

Sep 8, 2022

1512 days overdue

Notes

https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2022-26923

https://nvd.nist.gov/vuln/detail/CVE-2022-26923

Description

Active Directory Domain Services Elevation of Privilege Vulnerability

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Windows 10 1507 · Microsoft

95%

v < 10.0.10240.1929710.0.10240.0 ≤ v < 10.0.10240.1929710.0.10240.0

Affected range stops below 10.0.10240.19297, so it looks safe — our inference, not a vendor statement

Windows 10 1607 · Microsoft

95%

v < 10.0.14393.585010.0.14393.0 ≤ v < 10.0.14393.585010.0.14393.0

Affected range stops below 10.0.14393.5850, so it looks safe — our inference, not a vendor statement

Windows 10 1809 · Microsoft

95%

v < 10.0.17763.425210.0.0 ≤ v < 10.0.17763.425210.0.17763.0 ≤ v < 10.0.17763.425210.0.0 10.0.17763.0

Affected range stops below 10.0.17763.4252, so it looks safe — our inference, not a vendor statement

Windows 10 1909 · Microsoft

95%

v < 10.0.18363.227410.0.0 ≤ v < 10.0.18363.227410.0.0

Affected range stops below 10.0.18363.2274, so it looks safe — our inference, not a vendor statement

Windows 10 20H2 · Microsoft

95%

v < 10.0.19042.170610.0.0 ≤ v < 10.0.19042.170610.0.0

Affected range stops below 10.0.19042.1706, so it looks safe — our inference, not a vendor statement

Windows 10 21H1 · Microsoft

95%

v < 10.0.19043.170610.0.0 ≤ v < 10.0.19043.170610.0.0

Affected range stops below 10.0.19043.1706, so it looks safe — our inference, not a vendor statement

Windows 10 21H2 · Microsoft

95%

v < 10.0.19044.170610.0.19043.0 ≤ v < 10.0.19043.170610.0.19043.0

Affected range stops below 10.0.19043.1706, so it looks safe — our inference, not a vendor statement

Affected range stops below 10.0.19044.1706, so it looks safe — our inference, not a vendor statement

Windows 11 21H2 · Microsoft

95%

v < 10.0.22000.181710.0.0 ≤ v < 10.0.22000.181710.0.0

Affected range stops below 10.0.22000.1817, so it looks safe — our inference, not a vendor statement

Windows 8-1 · Microsoft

95%

6.3.0 ≤ v < 6.3.9600.203716.3.0

Affected range stops below 6.3.9600.20371, so it looks safe — our inference, not a vendor statement

Windows Rt 8-1 · Microsoft

95%

All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (3)

Vendor AdvisoryPatch

Source: [email protected]

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-26923

PatchVendor Advisory

Source: af854a3a-2127-422b-91ae-364da2661108

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-26923

US Government Resource

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-26923

SSVC — Action Prioritization

SSVCActiveNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.8HIGHmicrosoft

Vector?

Quick Info

StatusANALYZED

CWE

CWE-295

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