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Windows Admin Center CVE-2023-29347

MEDIUM
Cross-site Scripting (XSS) (CWE-79)
2023-07-11 secure@microsoft.com
6.8
CVSS 3.1 · NVD
View

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V1 - Encoding and Sanitization Output encoding, context-aware escaping
MITRE ATT&CK

2 techniques across 2 tactics: Initial Access, Execution

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Impact

CVSS score of 6.8 (MEDIUM). Attack characteristics: network attack vector, low complexity, low privileges required, user interaction required.

Exploit ScenarioDerived

A remote attacker could inject malicious scripts into web pages viewed by other users by sending crafted requests to the affected application.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
Patch available 1.9% exploitation probability (EPSS)

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AnalysisAI

Windows Admin Center Spoofing Vulnerability. Rated medium severity (CVSS 6.8), this vulnerability is remotely exploitable, low attack complexity. This Cross-Site Scripting (XSS) vulnerability could allow attackers to inject malicious scripts into web pages viewed by other users.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Sanitize all user input, use Content-Security-Policy headers, encode output contextually (HTML, JS, URL). Use frameworks with built-in XSS protection.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified as Cross-Site Scripting (XSS) (CWE-79), which allows attackers to inject malicious scripts into web pages viewed by other users. Affected products include: Microsoft Windows Admin Center.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 6.8 MEDIUM
AV:N/AC:L/PR:L/UI:R/S:C/C:N/I:H/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
Required
Scope
Changed
Confidentiality
None
Integrity
High
Availability
None

DescriptionNVD

Windows Admin Center Spoofing Vulnerability

Threat Intelligence Overview

EPSS Score
1.9%
Top 23% exploitable
Data Quality
2 sources
Confidence: Low

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity MEDIUM
CISA KEV No
Public POC No
EPSS 1.9%
Patch available Yes
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
No
Human Impact· derived
Medium

Priority Score

36
Low Medium High Critical
KEV: 0
EPSS: +2
CVSS: +34
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Cross-Site Scripting occurs when an application accepts untrusted data and sends it to a web browser without proper validation or encoding.

Affected Products (CPE)NVD

cpe:2.3:a:microsoft:windows_admin_center:*:*:*:*:*:*:*:*
CVE-2026-62873 CRITICAL
9.8 Aug 07

Privilege elevation in Microsoft 365 Admin Center allows a remote, unauthenticated attacker to gain elevated permissions

CVE-2026-56196 HIGH
8.8 Jul 14

Remote code execution in Microsoft Windows Admin Center allows an authenticated attacker to run arbitrary code over the

CVE-2026-56197 HIGH
8.8 Jul 14

Authenticated remote code execution in Microsoft Windows Admin Center (CWE-77) lets an attacker with low-privilege acces

CVE-2026-56169 HIGH
8.8 Jul 14

Privilege elevation in Microsoft Windows Admin Center (versions 1809.0 through 2.7.3) lets an already-authenticated, low

CVE-2019-0813 CRITICAL
9.8 Apr 09

An elevation of privilege vulnerability exists when Windows Admin Center improperly impersonates operations in certain s

CVE-2026-58631 HIGH
7.8 Jul 14

Local privilege-to-code-execution in Microsoft Windows Admin Center lets an already-authenticated, lower-privileged user

CVE-2026-57107 HIGH
7.8 Jul 14

Local privilege escalation in Microsoft Windows Admin Center allows an already-authenticated, low-privileged attacker to

CVE-2026-26119 HIGH
8.8 Feb 17

Windows Admin Center's authentication mechanism can be bypassed by authenticated network users to gain elevated privileg

CVE-2026-35438 HIGH
8.3 May 12

Privilege escalation in Microsoft Windows Admin Center (versions 1809.0 before 2.6.5.16) allows an already-authenticated

CVE-2025-64669 HIGH
7.8 Dec 11

Privilege escalation in Microsoft Windows Admin Center allows an authenticated local attacker with low privileges to gai

CVE-2026-23660 HIGH
7.8 Mar 10

Windows Admin Center in Azure Portal contains an access control flaw that enables local authenticated users to escalate

CVE-2026-56185 MEDIUM
6.5 Jul 14

Improper authentication in Windows Admin Center (versions prior to 2.6.5.16) enables an authenticated low-privilege atta

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