CVE-2026-25177
Received
Received - Intake
Improper Resource Name Restriction in Active Directory Enables Privilege Escalation
Publication date: 2026-03-10
Last updated on: 2026-03-13
Assigner: Microsoft Corporation
Description
Description
Improper restriction of names for files and other resources in Active Directory Domain Services allows an authorized attacker to elevate privileges over a network.
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| microsoft | windows_server_2012 | r2 |
| microsoft | windows_server_2012 | * |
| microsoft | windows_10_1809 | to 10.0.17763.8511 (exc) |
| microsoft | windows_10_1809 | to 10.0.17763.8511 (exc) |
| microsoft | windows_10_21h2 | to 10.0.19044.7058 (exc) |
| microsoft | windows_10_21h2 | to 10.0.19044.7058 (exc) |
| microsoft | windows_10_21h2 | to 10.0.19044.7058 (exc) |
| microsoft | windows_10_22h2 | to 10.0.19045.7058 (exc) |
| microsoft | windows_10_22h2 | to 10.0.19045.7058 (exc) |
| microsoft | windows_10_22h2 | to 10.0.19045.7058 (exc) |
| microsoft | windows_11_23h2 | to 10.0.22631.6783 (exc) |
| microsoft | windows_11_23h2 | to 10.0.22631.6783 (exc) |
| microsoft | windows_11_24h2 | to 10.0.26100.7979 (exc) |
| microsoft | windows_11_24h2 | to 10.0.26100.7979 (exc) |
| microsoft | windows_11_25h2 | to 10.0.26200.7979 (exc) |
| microsoft | windows_11_25h2 | to 10.0.26200.7979 (exc) |
| microsoft | windows_11_26h1 | to 10.0.28000.1719 (exc) |
| microsoft | windows_11_26h1 | to 10.0.28000.1719 (exc) |
| microsoft | windows_server_2016 | to 10.0.14393.8957 (exc) |
| microsoft | windows_server_2019 | to 10.0.17763.8511 (exc) |
| microsoft | windows_server_2022 | to 10.0.20348.4830 (exc) |
| microsoft | windows_server_2022_23h2 | to 10.0.25398.2207 (exc) |
| microsoft | windows_10_1607 | to 10.0.14393.8957 (exc) |
| microsoft | windows_10_1607 | to 10.0.14393.8957 (exc) |
| microsoft | windows_server_2025 | to 10.0.26100.32463 (exc) |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-641 | The product constructs the name of a file or other resource using input from an upstream component, but it does not restrict or incorrectly restricts the resulting name. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability involves improper restriction of names for files and other resources in Active Directory Domain Services. It allows an authorized attacker to elevate their privileges over a network.
How can this vulnerability impact me? :
An attacker who is authorized on the network can exploit this vulnerability to gain elevated privileges. This means they could potentially access, modify, or control resources and data beyond their intended permissions, leading to significant security risks.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
I don't know
What immediate steps should I take to mitigate this vulnerability?
I don't know
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