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8.8

Unauthorized Code Execution in Windows Print Spooler Components

CVE-2026-23669
Summary

An attacker with network access and authorization can exploit a vulnerability in Windows Print Spooler components. This could allow them to execute unauthorized code on a system, potentially leading to data theft or system compromise. Affected systems should be patched or updated to prevent this risk.

What to do

No fix is available yet. Check with your software vendor for updates.

Affected software
VendorProductAffected versionsFix available
microsoft windows_10_1607 <= 10.0.14393.8957
microsoft windows_10_1607 <= 10.0.14393.8957
microsoft windows_10_1809 <= 10.0.17763.8511
microsoft windows_10_1809 <= 10.0.17763.8511
microsoft windows_10_21h2 <= 10.0.19044.7058
microsoft windows_10_21h2 <= 10.0.19044.7058
microsoft windows_10_21h2 <= 10.0.19044.7058
microsoft windows_10_22h2 <= 10.0.19045.7058
microsoft windows_10_22h2 <= 10.0.19045.7058
microsoft windows_10_22h2 <= 10.0.19045.7058
microsoft windows_11_23h2 <= 10.0.22631.6783
microsoft windows_11_23h2 <= 10.0.22631.6783
microsoft windows_11_24h2 <= 10.0.26100.7979
microsoft windows_11_24h2 <= 10.0.26100.7979
microsoft windows_11_25h2 <= 10.0.26200.7979
microsoft windows_11_25h2 <= 10.0.26200.7979
microsoft windows_11_26h1 <= 10.0.28000.1719
microsoft windows_11_26h1 <= 10.0.28000.1719
microsoft windows_server_2012 All versions
microsoft windows_server_2012 r2
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
microsoft windows_server_2025 <= 10.0.26100.32463
Original title
Use after free in Windows Print Spooler Components allows an authorized attacker to execute code over a network.
Original description
Use after free in Windows Print Spooler Components allows an authorized attacker to execute code over a network.
nvd CVSS3.1 8.8
Vulnerability type
CWE-416 Use After Free
Published: 10 Mar 2026 · Updated: 14 Mar 2026 · First seen: 11 Mar 2026