CVE-2025-21247
published 2025-03-11CVE-2025-21247: Improper resolution of path equivalence in Windows MapUrlToZone allows an unauthorized attacker to bypass a security feature over a network.
PriorityP426medium4.3CVSS 3.1
AVNACLPRNUIRSUCLINAN
EPSS
2.98%
85.8th percentile
Improper resolution of path equivalence in Windows MapUrlToZone allows an unauthorized attacker to bypass a security feature over a network.
Affected
47 ranges· showing 25
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| microsoft | windows_10_1507 | < 10.0.10240.20947 | 10.0.10240.20947 |
| microsoft | windows_10_1607 | < 10.0.14393.7876 | 10.0.14393.7876 |
| microsoft | windows_10_1809 | < 10.0.17763.7009 | 10.0.17763.7009 |
| microsoft | windows_10_21h2 | < 10.0.19044.5608 | 10.0.19044.5608 |
| microsoft | windows_10_22h2 | < 10.0.19045.5608 | 10.0.19045.5608 |
| microsoft | windows_10_version_1507 | >= 10.0.10240.0 < 10.0.10240.20947 | 10.0.10240.20947 |
| microsoft | windows_10_version_1607 | >= 10.0.14393.0 < 10.0.14393.7876 | 10.0.14393.7876 |
| microsoft | windows_10_version_1809 | >= 10.0.17763.0 < 10.0.17763.7009 | 10.0.17763.7009 |
| microsoft | windows_10_version_21h2 | >= 10.0.19044.0 < 10.0.19044.5608 | 10.0.19044.5608 |
| microsoft | windows_10_version_22h2 | >= 10.0.19045.0 < 10.0.19045.5608 | 10.0.19045.5608 |
| microsoft | windows_11_22h2 | < 10.0.22621.5039 | 10.0.22621.5039 |
| microsoft | windows_11_23h2 | < 10.0.22631.5039 | 10.0.22631.5039 |
| microsoft | windows_11_24h2 | < 10.0.26100.3403 | 10.0.26100.3403 |
| microsoft | windows_11_version_22h2 | >= 10.0.22621.0 < 10.0.22621.5039 | 10.0.22621.5039 |
| microsoft | windows_11_version_22h3 | >= 10.0.22631.0 < 10.0.22631.5039 | 10.0.22631.5039 |
| microsoft | windows_11_version_23h2 | >= 10.0.22631.0 < 10.0.22631.5039 | 10.0.22631.5039 |
| microsoft | windows_11_version_24h2 | >= 10.0.26100.0 < 10.0.26100.3476 | 10.0.26100.3476 |
| microsoft | windows_server_2008 | — | — |
| microsoft | windows_server_2008_r2_service_pack_1 | >= 6.1.7601.0 < 6.1.7601.27618 | 6.1.7601.27618 |
| microsoft | windows_server_2008_service_pack_2 | >= 6.0.6003.0 < 6.0.6003.23168 | 6.0.6003.23168 |
| microsoft | windows_server_2012 | — | — |
| microsoft | windows_server_2012 | >= 6.2.9200.0 < 6.2.9200.25368 | 6.2.9200.25368 |
| microsoft | windows_server_2012_r2 | >= 6.3.9600.0 < 6.3.9600.22470 | 6.3.9600.22470 |
| microsoft | windows_server_2016 | < 10.0.14393.7876 | 10.0.14393.7876 |
| microsoft | windows_server_2016 | >= 10.0.14393.0 < 10.0.14393.7876 | 10.0.14393.7876 |
CVSS provenance
nvdv3.14.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
vendor_msrc4.3MEDIUM
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Microsoft
MapUrlToZone Security Feature Bypass Vulnerability
vendor_msrc·2025-03-11·CVSS 4.3
CVE-2025-21247 [MEDIUM] CWE-41 MapUrlToZone Security Feature Bypass Vulnerability
MapUrlToZone Security Feature Bypass Vulnerability
Description: Improper resolution of path equivalence in Windows MapUrlToZone allows an unauthorized attacker to bypass a security feature over a network.
FAQ: According to the CVSS metrics, successful exploitation of this vulnerability could lead to some loss of confidentiality (C:L),but lead to no loss of availability (A:N) and integrity (I:N)? What does that mean for this vulnerability?
An attacker who successfully exploited the vulnerability could view some sensitive information (Confidentiality) but not all resources within the impacted component may be divulged to the attacker. The attacker cannot make changes to disclosed information (Integrity) or limit access to the resource (Availability).
FAQ: According to the CVSS metric, use
GHSA
GHSA-g85v-525p-358p: Improper resolution of path equivalence in Windows MapUrlToZone allows an unauthorized attacker to bypass a security feature over a network
ghsa_unreviewed·2025-03-11
CVE-2025-21247 [MEDIUM] CWE-41 GHSA-g85v-525p-358p: Improper resolution of path equivalence in Windows MapUrlToZone allows an unauthorized attacker to bypass a security feature over a network
Improper resolution of path equivalence in Windows MapUrlToZone allows an unauthorized attacker to bypass a security feature over a network.
No detection rules found.
No public exploits indexed.
Qualys
Microsoft and Adobe Patch Tuesday, March 2025 Security Update Review
blogs_qualys·2025-03-11
Microsoft and Adobe Patch Tuesday, March 2025 Security Update Review
## Table of Contents
Microsoft Patch Tuesday for March 2025
Adobe Patches for March 2025
Zero-day Vulnerabilities Patched in March Patch Tuesday Edition
Critical Severity Vulnerabilities Patched in March Patch Tuesday Edition
Other Microsoft Vulnerability Highlights
Microsoft Release Summary
Discover and Prioritize Vulnerabilities inVulnerability Management, Detection & Response (VMDR)
Rapid Response withPatch Management (PM)
EVALUATE Vendor-Suggested Mitigation with Policy Compliance (PC)
Risk Reduction via TruRisk Eliminate
Qualys Monthly Webinar Series
March 2025 Patch Tuesday is here, and Microsoft has rolled out critical security updates that address multiple vulnerabilities across its product suite. Here’s a quick breakdown of what you need to know.
## Microsoft Patch Tu
Qualys
Microsoft and Adobe Patch Tuesday, March 2025 Security Update Review | Qualys
blogs_qualys·2025-03-11
Microsoft and Adobe Patch Tuesday, March 2025 Security Update Review | Qualys
#### Table of Contents
- Microsoft Patch Tuesday for March 2025
- Adobe Patches for March 2025
- Zero-day Vulnerabilities Patched in March Patch Tuesday Edition
- Critical Severity Vulnerabilities Patched in March Patch Tuesday Edition
- Other Microsoft Vulnerability Highlights
- Microsoft Release Summary
- Discover and Prioritize Vulnerabilities inVulnerability Management, Detection & Response (VMDR)
- Rapid Response withPatch Management (PM)
- EVALUATE Vendor-Suggested Mitigation with Policy Compliance (PC)
- Risk Reduction via TruRisk Eliminate
- Qualys Monthly Webinar Series
March 2025 Patch Tuesday is here, and Microsoft has rolled out critical security updates that address multiple vulnerabilities across its product suite. Here’s a quick breakdown of what you need to know.
## Micr
Bleepingcomputer
Microsoft March 2025 Patch Tuesday fixes 7 zero-days, 57 flaws
blogs_bleepingcomputer·2025-03-11·CVSS 7.0
[HIGH] Microsoft March 2025 Patch Tuesday fixes 7 zero-days, 57 flaws
## Microsoft March 2025 Patch Tuesday fixes 7 zero-days, 57 flaws
## Lawrence Abrams
23 Elevation of Privilege Vulnerabilities
3 Security Feature Bypass Vulnerabilities
23 Remote Code Execution Vulnerabilities
4 Information Disclosure Vulnerabilities
1 Denial of Service Vulnerabilities
3 Spoofing Vulnerabilities
The above numbers do not include Mariner flaws and 10 Microsoft Edge vulnerabilities fixed earlier this month.
To learn more about the non-security updates released today, you can review our dedicated articles on the Windows 11 KB5053598 & KB5053602 cumulative updates and the Windows 10 KB5053606 update .
## Six actively exploited zero-days
This month's Patch Tuesday fixes six actively exploited zero-days and one that was publicly exposed, for a total of seven zero-days.
2025-03-11
Published