Severity by source
AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Primary rating from Vendor (microsoft).
CVSS VectorNVD
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Lifecycle Timeline
5DescriptionNVD
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Print Spooler Components allows an authorized attacker to execute code over a network.
AnalysisAI
Remote code execution in the Windows Print Spooler components stems from an improperly synchronized race condition (CWE-362) that an authenticated, network-adjacent attacker can win to run code with full system impact. Microsoft (the reporter) has shipped fixes across the entire supported Windows and Windows Server line, but exploitation requires low privileges and a hard-to-hit timing window, so this is a real-but-non-trivial priority rather than a drop-everything emergency. There is no public exploit identified at time of analysis, EPSS is low at 0.53% (41st percentile), and CISA SSVC scores exploitation as none.
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Same weakness CWE-362 – Race Condition
View allSame technique Race Condition
View allShare
External POC / Exploit Code
Leaving vuln.today
EUVD-2026-43770
GHSA-q5vw-xwmg-v79f