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Severity by source

Vendor (microsoft) PRIMARY
7.5 HIGH
AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Primary rating from Vendor (microsoft) · only source for this CVE.

CVSS VectorVendor: microsoft

Attack Vector
Network
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

2
Analysis Generated
Jul 14, 2026 - 18:52 vuln.today
CVE Published
Jul 14, 2026 - 17:10 nvd
HIGH 7.5

DescriptionCVE.org

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows SMB allows an authorized attacker to elevate privileges over a network.

AnalysisAI

Elevation of privilege in the Windows SMB implementation allows an authenticated network attacker to win a race condition and gain higher privileges on affected systems, spanning Windows 10, Windows 11, and Windows Server 2012 through 2025. The flaw is a concurrency defect (CWE-362) reported by Microsoft with a vendor patch already released; there is no public exploit identified at time of analysis. Note a data conflict: the description and CVSS impacts describe privilege elevation with full confidentiality/integrity/availability impact, while the intelligence tags also label it 'Information Disclosure' — the CVSS vector should be treated as authoritative.

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CVE-2026-58531 vulnerability details – vuln.today

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