Riskcovery

CVE-2026-85793

Windows Sysmain Service Information Disclosure Vulnerability

State
Published
Severity
5.5 Medium
Published
Oct 13, 2026
Updated
Oct 31, 2026
Reserved
Sep 4, 2026

Read the record on cve.org

Description

Exposure of sensitive system information to an unauthorized control sphere in Windows Sysmain Service allows an authorized attacker to disclose information locally.

Scores

CVSSScoreVectorSource
3.15.5 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:Cmicrosoft

Weaknesses

  • CWE-497 Exposure of Sensitive System Information to an Unauthorized Control Sphere

Affected Products

ProductVersions
Windows 10 Version 1607Microsoft
  • 10.0.14393.0 to before 10.0.14393.9612Affected
Windows 10 Version 1809Microsoft
  • 10.0.17763.0 to before 10.0.17763.9376Affected
Windows 10 Version 21H2Microsoft
  • 10.0.19044.0 to before 10.0.19044.7807Affected
Windows 10 Version 22H2Microsoft
  • 10.0.19045.0 to before 10.0.19045.7807Affected
Windows 11 version 23H2Microsoft
  • 10.0.22631.0 to before 10.0.22631.7652Affected
Windows 11 Version 23H2Microsoft
  • 10.0.22631.0 to before 10.0.22631.7652Affected
Windows 11 Version 24H2Microsoft
  • 10.0.26100.0 to before 10.0.26100.9711Affected
Windows 11 Version 25H2Microsoft
  • 10.0.26200.0 to before 10.0.26200.9711Affected
Windows 11 version 26H1Microsoft
  • 10.0.28000.0 to before 10.0.28000.3231Affected
Windows 11 Version 26H2Microsoft
  • 10.0.26300.0 to before 10.0.26300.9711Affected
Windows Server 2016Microsoft
  • 10.0.14393.0 to before 10.0.14393.9612Affected
Windows Server 2016 (Server Core installation)Microsoft
  • 10.0.14393.0 to before 10.0.14393.9612Affected
Windows Server 2019Microsoft
  • 10.0.17763.0 to before 10.0.17763.9376Affected
Windows Server 2019 (Server Core installation)Microsoft
  • 10.0.17763.0 to before 10.0.17763.9376Affected

References

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.