CVE-2026-85793
Medium
Description
Exposure of sensitive system information to an unauthorized control sphere in Windows Sysmain Service allows an authorized attacker to disclose information locally.
SeverityMedium
CVSS5.5
Exploit probability—
Product
Microsoft Windows
PublishedOct 13, 2026
First seenOct 13, 2026
Weakness typeCWE-497CWE-497
How to fix
Update
- microsoft windows_10_160710.0.14393.9612 or later
- microsoft windows_10_180910.0.17763.9376 or later
- microsoft windows_10_21h210.0.19044.7807 or later
- microsoft windows_10_22h210.0.19045.7807 or later
- microsoft windows_11_23h210.0.22631.7652 or later
- microsoft windows_11_24h210.0.26100.9711 or later
- microsoft windows_11_25h210.0.26200.9711 or later
- microsoft windows_11_26h110.0.28000.3231 or later
- microsoft windows_11_26h210.0.26300.9711 or later
- microsoft windows_server_201610.0.14393.9612 or later
- microsoft windows_server_201910.0.17763.9376 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| microsoft windows_10_1607 | v < 10.0.14393.9612 | 10.0.14393.9612 |
| microsoft windows_10_1809 | v < 10.0.17763.9376 | 10.0.17763.9376 |
| microsoft windows_10_21h2 | v < 10.0.19044.7807 | 10.0.19044.7807 |
| microsoft windows_10_22h2 | v < 10.0.19045.7807 | 10.0.19045.7807 |
| microsoft windows_11_23h2 | v < 10.0.22631.7652 | 10.0.22631.7652 |
| microsoft windows_11_24h2 | v < 10.0.26100.9711 | 10.0.26100.9711 |
| microsoft windows_11_25h2 | v < 10.0.26200.9711 | 10.0.26200.9711 |
| microsoft windows_11_26h1 | v < 10.0.28000.3231 | 10.0.28000.3231 |
| microsoft windows_11_26h2 | v < 10.0.26300.9711 | 10.0.26300.9711 |
| microsoft windows_server_2016 | v < 10.0.14393.9612 | 10.0.14393.9612 |
| microsoft windows_server_2019 | v < 10.0.17763.9376 | 10.0.17763.9376 |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.