Authenticated information disclosure
Published Mar 11, 2021 · Updated Aug 19, 2026
Security feature bypass in Microsoft Windows Admin Center allows remote authenticated users to read unspecified data over a network. Microsoft has not published the affected component or the operation that exposes information. Exploitation requires low-privileged authenticated access to the network-facing gateway; the published impact is limited to confidentiality.
Summary
What happened
Security feature bypass in Microsoft Windows Admin Center allows remote authenticated users to read unspecified data over a network. Microsoft has not published the affected component or the operation that exposes information. Exploitation requires low-privileged authenticated access to the network-facing gateway; the published impact is limited to confidentiality.
The record
- CVE
- CVE-2021-27066
- Published
- Mar 11, 2021
- Updated
- Aug 19, 2026
- Vendor
- Microsoft
- Product
- Windows Admin Center
- Classifications
- Unavailable
- Attack vector
- network
- Privileges
- authenticated
Timeline
How it unfolded
- Mar 11, 2021CVE publishedPublication date reported by the CVE source.
- Aug 19, 2026Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=1809.0 <publication
What conditions does exploitation require?
What is affected?
Published CVSS scores
CVSS describes severity. EPSS estimates exploitation probability.
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Weakness, pattern, technique
No sourced classifications are available.
Public exploit references
No public exploit references are available in this record.
Labels summarize the accepted research assessment. They do not indicate a test against your environment.
Technologies
Your stack
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Your stack
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