CVE-2025-59510

Local service interruption via improper link resolution

Published Nov 11, 2025 · Updated Feb 13, 2026

Improper link resolution in Microsoft Windows RRAS allows local users with low privileges to interrupt the service through crafted file links. RRAS follows a crafted link before accessing a file, redirecting the service's file operation; Microsoft has not disclosed the affected function or path. A low-privilege local account and reachable RRAS file-processing path are required, with no documented confidentiality or integrity impact.

CVSS severity5.5
Medium
EPSS probability0.50%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper link resolution in Microsoft Windows RRAS allows local users with low privileges to interrupt the service through crafted file links. RRAS follows a crafted link before accessing a file, redirecting the service's file operation; Microsoft has not disclosed the affected function or path. A low-privilege local account and reachable RRAS file-processing path are required, with no documented confidentiality or integrity impact.

The record

CVE
CVE-2025-59510
Published
Nov 11, 2025
Updated
Feb 13, 2026
Vendor
Microsoft
Product
Windows Server 2019
Classifications
CWE-59, T1489
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Nov 11, 2025CVE publishedPublication date reported by the CVE source.
  2. Feb 13, 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.

  1. Affected versionversion=10.0.17763.0 <10.0.17763.8027

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

Microsoft · Windows Server 2019version=10.0.17763.0 <10.0.17763.8027
Microsoft · Windows Server 2025 (Server Core installation)version=10.0.26100.0 <10.0.26100.7171
Microsoft · Windows 11, version 25H2version=10.0.26200.0 <10.0.26200.7171
Microsoft · Windows Server 2016 (Server Core installation)version=10.0.14393.0 <10.0.14393.8594
Microsoft · Windows 11, version 24H2version=10.0.26100.0 <10.0.26100.7171
Microsoft · Windows 10 Version 21H2version=10.0.19044.0 <10.0.19044.6575
Microsoft · Windows Server 2022, 23H2 Edition (Server Core installation)version=10.0.25398.0 <10.0.25398.1965
Microsoft · Windows Server 2016version=10.0.14393.0 <10.0.14393.8594
Microsoft · Windows 11 Version 22H3version=10.0.22631.0 <10.0.22631.6199
Microsoft · Windows 10 Version 22H2version=10.0.19045.0 <10.0.19045.6575
Microsoft · Windows Server 2012 R2 (Server Core installation)version=6.3.9600.0 <6.3.9600.22869
Microsoft · Windows Server 2019 (Server Core installation)version=10.0.17763.0 <10.0.17763.8027
Microsoft · Windows 11 Version 23H2version=10.0.22631.0 <10.0.22631.6199
Microsoft · Windows 10 Version 1607version=10.0.14393.0 <10.0.14393.8594
Microsoft · Windows Server 2022version=10.0.20348.0 <10.0.20348.4405
Microsoft · Windows Server 2025version=10.0.26100.0 <10.0.26100.7171
Microsoft · Windows 10 Version 1809version=10.0.17763.0 <10.0.17763.8027
Microsoft · Windows Server 2012 R2version=6.3.9600.0 <6.3.9600.22869

Published CVSS scores

5.5Microsoft CorporationCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

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.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-59Improper Link Resolution Before File Access ('Link Following')
T1489Service Stop

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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