CVE-2026-54121
Active Directory Certificate Services Elevation of Privilege Vulnerability
Description
Improper authorization in Active Directory Certificate Services (AD CS) allows an authorized attacker to elevate privileges over a network.
No summary for this CVE yet.
CVSS Vector Breakdown
Exploitability
AV:NAttack VectorNetwork
AC:LAttack ComplexityLow
PR:LPrivileges RequiredLow
UI:NUser InteractionNone
Scope
S:UScopeUnchanged
Impact
C:HConfidentialityHigh
I:HIntegrityHigh
A:HAvailabilityHigh
Weaknesses
Affected Products
Microsoft
commercial·US
and 13 more affected products View all →
Exploitability
Official Patch Available
References
News mentions
11- Certighost and the Privilege Hiding in Your Certificate Authorityen-us·BleepingComputer· PoC Active Directory Certificate Services privilege-escalation
- Week in review: Claude breached three companies during tests, AD CS domain-takeover PoC releaseden-us·Help Net Security· PoC Active Directory Certificate Services privilege-escalation
- 'Certighost' Flaw Haunts Microsoft Active Directory Certificatesen·Dark Reading· PoC Active Directory Certificate Services rce
- New Certighost PoC exploit lets attackers hijack Windows domainsen-us·BleepingComputer· PoC Windows Active Directory Certificate Services privilege-escalation
- ⚡ Weekly Recap: Rogue AI Agents, Check Point Exploit, Slopsquatting, ClickFix Lures and Moreen·The Hacker News· Research ai-ml
- PoC exploit released for critical AD CS domain-takeover flaw (CVE-2026-54121)en-us·Help Net Security· PoC Active Directory Certificate Services privilege-escalation
- Certighost Exploit Lets Low-Privileged Active Directory Users Impersonate a Domain Controlleren·The Hacker News· PoC Active Directory Certificate Services privilege-escalation
- Microsoft and Adobe Patch Tuesday, July 2026 Security Update Reviewen-us·Qualys Security Blog· Patch Windows patch-tuesday
- Microsoft Patch Tuesday for July 2026 — Snort rules and prominent vulnerabilitiesen·Cisco Talos· Exploited Active Directory Federation Services (AD FS) rce
- Microsoft Patch Tuesday July 2026 - The AI Acopolypse is Hereen·SANS Internet Storm Center· Exploited Windows privilege-escalation
Unlock Complete Vulnerability Intelligence
Get the full picture for CVE-2026-54121 and every CVE in our database. Create a free account — no credit card required.
Create Free AccountPlain-language analysis
Impact assessment and exploitation scenario in plain English
Attack graph visualization
Interactive attack path and kill chain mapping
Exploit details & PoC links
ExploitDB, Metasploit, GitHub PoCs with direct links
Nuclei scanner templates
Ready-to-use vulnerability scanner templates
Full remediation guide
Patch instructions, workarounds, and compliance impact
Interactive AI chat
Ask questions about this vulnerability in natural language
Related vulnerabilities
Semantically similar CVEs and attack patterns
REST API & MCP access
Integrate vulnerability data into your workflows