EUVD-2026-56601
GHSA-gg46-jqg3-93wc
Severity by source
AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Local attack via junction planting by a standard user; no confidentiality or integrity impact; high availability impact from service crash.
Primary rating from Vendor (microsoft).
CVSS VectorVendor: microsoft
Lifecycle Timeline
3DescriptionCVE.org
Improper link resolution before file access ('link following') in Windows Management Services allows an authorized attacker to deny service locally.
AnalysisAI
Windows Management Services on Windows 11 contains an improper link resolution flaw (CWE-59) that allows an authenticated local attacker to crash or disable the service by planting a malicious symbolic link or directory junction at a file path the service accesses. Affected builds span Windows 11 versions 24H2, 25H2, and 26H1, with patched builds confirmed by Microsoft via MSRC. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | The attacker must hold an active local session on the affected Windows 11 host - either interactive or via a remote desktop session - with at minimum a standard (low-privilege) user account, consistent with PR:L in the CVSS vector. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 base score of 5.5 (AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H) places this vulnerability in the medium-severity band with a strictly local attack vector - remote exploitation is not possible. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Apply the Microsoft security update that advances Windows 11 24H2 to build 10.0.26100.9168 or later, Windows 11 25H2 to build 10.0.26200.9168 or later, and Windows 11 26H1 to build 10.0.28000.2704 or later, as detailed in the MSRC advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70348. … Detailed patch versions, workarounds, and compensating controls in full report. |
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Same weakness CWE-59 – Improper Link Resolution Before File Access
View allSame technique Information Disclosure
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External POC / Exploit Code
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