Insufficiently protected credentials in Microsoft Windows and Windows Server - CVE-2026-112806
Published: November 11, 2026
Vulnerability identifier: #VU164875
CSH Severity: Low
CVSS v4: 5.7 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-112806
CWE-ID: CWE-522
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to disclose sensitive authentication credentials.
The vulnerability exists due to insufficient protection of credentials in Windows Print Spooler Components when handling printer authentication credentials. A local user can exploit this inadequate protection locally to obtain stored authentication credentials.
Successful exploitation requires the system to be configured to use an Internet printer with stored authentication credentials, a configuration outside the user's control.
Affected software
Microsoft Windows
Windows Server
Windows Server
How to mitigate CVE-2026-112806
Install security update from vendor's website.
Microsoft Windows - addressed in versions 10 21H2 10.0.19044.7846, 10 22H2 10.0.19045.7846, 10 1607 10.0.14393.9688, 10 1809 10.0.17763.9487, 11 23H2 10.0.22631.7711, 11 24H2 10.0.26100.9911, 11 24H2 10.0.26100.9974, 11 25H2 10.0.26200.9911, 11 25H2 10.0.26200.9974, 11 26H1 10.0.28000.3501
Windows Server - addressed in versions 2016 10.0.14393.9688, 2019 10.0.17763.9487, 2022 10.0.20348.5870, 2025 10.0.26100.33730, 2025 10.0.26100.33822
Windows Server - addressed in versions 2016 10.0.14393.9688, 2019 10.0.17763.9487, 2022 10.0.20348.5870, 2025 10.0.26100.33730, 2025 10.0.26100.33822