High8.8Vendor: CriticalMicrosoft Server

High [CVE-2026-45648] Windows Active Directory Domain Services Remote Code Execution Vulnerability

This high-severity Microsoft Server advisory covers CVE-2026-45648 affecting Windows Server 2022, Windows Server 2025.

CVE-2026-45648 Published Jun 9, 2026

CVE-2026-45648

Affected products & platforms

Microsoft ServerWindows Server

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Summary

Windows Active Directory Domain Services Remote Code Execution Vulnerability

Affected products named by the advisory: Windows Server 2022; Windows Server 2025.

Affected versions

No affected-version range was extracted from the source record. The vendor advisory is authoritative — check it before change work.

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Fixed versions

KB5094128 (build 10.0.20348.5256)
KB5094125 (build 10.0.26100.32995)

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Mitigation checklist

Recommended fix / mitigation

Install the applicable security update for your platform: KB5094128, KB5094125 (see the Microsoft Update Catalog).

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Sources

Official and corroborating records used to build this advisory.

Microsoft Security Update Guide (MSRC)official
Official vendor feed — the source of truth for this advisory. VulniPulse polled this feed and parsed this entry from it. Discovered from the machine-readable feed https://api.msrc.microsoft.com/cvrf/v3.0/updates; this link opens the Microsoft Server advisory index instead of the raw feed document.
Microsoft Server
Vendor advisory pageofficial
Advisory page fetched and parsed to extract affected/fixed versions and mitigation guidance beyond what the feed carries.
Microsoft Server
CVE.org CNA affected-product recordCVE.org
Structured CNA affected[] data independently confirmed the affected product scope; native advisory content remains authoritative.
CVE Program

Cross-references

Validate CVE metadata against the authoritative registries.

CVE-2026-45648NVD CVE.org MITRE

Official resources

Microsoft Update Catalog: KB5094128
Official documentation
Direct download of the KB5094128 security update named in the MSRC remediation data for this CVE.
Microsoft Update Catalog: KB5094125
Official documentation
Direct download of the KB5094125 security update named in the MSRC remediation data for this CVE.
MSRC Security Update Guide
Official documentation
Filter by this CVE for per-product KB numbers, severity and exploitability assessment.

Discussion(0)

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