Windows Admin Center
CVE-2026-26119 — Windows Admin Center Elevation of Privilege Vulnerability
Executive Summary
Improper authentication in Windows Admin Center allows an authorized attacker to elevate privileges over a network.
Overview
8.8
CVSS HIGH
Critical
MS Severity
Not Exploited
MS Exploit Status
More Likely
MS Exploit Likelihood
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
0.00803
probability of exploitation in the next 30 days
0.53537 percentile - updated 2026-08-14
View on FIRST.org
Affected Products
1 affected product
| Product | KB Article | Severity | Impact | Restart Required |
|---|---|---|---|---|
| Windows Admin Center | Release Notes (Security Update) |
Critical | Elevation of Privilege | No |
Patches
1 patch
| Article | Type | Restart |
|---|---|---|
Release Notes |
Security Update | No |
Exploits & PoC
2 public PoCsUnverified third-party code
Public proof-of-concept repositories aggregated from PoC-in-GitHub. They are not reviewed and may be incomplete, non-functional, or malicious — inspect the code before running anything.
| Repository | Stars | Published | Description |
|---|---|---|---|
| r3vpwnx/CVE-2026-26119 | 11 | 2026-08-09 | WAC RCE - CVE-2026-26119 Windows Admin Center authenticated RCE via WinREST/PowerShell invokeCommand. |
| Cyb3rWitch3r/CVE-2026-26119 | 1 | 2026-08-09 | WAC RCE - CVE-2026-26119 Windows Admin Center authenticated RCE via WinREST/PowerShell invokeCommand. |
Detection Rules
No public Sigma or Nuclei detection rule has been mapped to this CVE yet. Coverage is concentrated on exploited / high-profile vulnerabilities; check SigmaHQ for updates.
Acknowledgments
References
On This Page