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Windows Print Spooler CVE-2026-34342

| EUVD-2026-29601 HIGH
Race Condition (CWE-362)
2026-05-12 microsoft GHSA-j7wf-wpq3-wph2
7.0
CVSS 3.1
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CVSS VectorNVD

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Local
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

2
Analysis Generated
May 12, 2026 - 18:33 vuln.today
CVE Published
May 12, 2026 - 16:58 nvd
HIGH 7.0

DescriptionNVD

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Print Spooler Components allows an authorized attacker to elevate privileges locally.

AnalysisAI

Local privilege escalation in Windows Print Spooler Components affects Windows 10, Windows 11, and Windows Server 2012 through race condition exploitation. Authenticated low-privileged attackers can elevate to SYSTEM privileges via concurrent resource access attacks, though attack complexity is rated high (AC:H). …

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RemediationAI

Within 24 hours: Inventory all Windows 10, 11, and Server systems running Print Spooler services and identify patch applicability. Within 7 days: Deploy vendor-released patch from Microsoft Security Response Center to all affected systems; prioritize systems with high user turnover or shared access. …

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CVE-2026-34342 vulnerability details – vuln.today

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