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Fencer Intel
high 7.8

CVE-2026-25166 json

Windows System Image Manager Assessment and Deployment Kit (ADK) Remote Code Execution Vulnerability

published 7mo ago modified 4mo ago also EUVD-2026-10629

cvss
7.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.9%
EPSS 1.9% chance of exploitation in 30 days, percentile 79%
public exploits
0
none known

Summary

Deserialization of untrusted data in Windows System Image Manager allows an authorized attacker to execute code locally.

Patch / fix

  • microsoft windows_10_1607 10.0.14393.8957
  • microsoft windows_10_1809 10.0.17763.8511
  • microsoft windows_10_21h2 10.0.19044.7058
  • microsoft windows_10_22h2 10.0.19045.7058
  • microsoft windows_11_23h2 10.0.22631.6783
  • microsoft windows_11_24h2 10.0.26100.7979
  • microsoft windows_11_25h2 10.0.26200.7979
  • microsoft windows_11_26h1 10.0.28000.1719
  • microsoft windows_server_2016 10.0.14393.8957
  • microsoft windows_server_2019 10.0.17763.8511
  • microsoft windows_server_2022 10.0.20348.4830
  • microsoft windows_server_2022_23h2 10.0.25398.2207

Is CVE-2026-25166 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
7mo ago

Exploit prediction

1.90% chance of exploitation in the next 30 days, higher than 79% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
CNA 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

  • Microsoft Windows ADK for Windows 10, version 2004
  • Microsoft Windows ADK for Windows 11, version 22H2
  • Microsoft Windows ADK for Windows 11, version 23H2
  • Microsoft Windows ADK for Windows 11, version 24H2
  • Microsoft Windows ADK for Windows Server 2022

Classification

Weakness
  • CWE-502 Deserialization of Untrusted Data

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.