About this tag
CVE 2026 58526 is a patched Windows Storage vulnerability that may allow a locally authenticated attacker to elevate privileges and gain broad control of an affected system. Microsoft addressed the use-after-free memory-safety flaw and related race condition in the July 14, 2026 cumulative updates for Windows 10, Windows 11, Windows Server 2019, Windows Server 2022, and Windows Server 2025. The vulnerability is rated Important and has a CVSS 3.1 base score of 7.0. This tag page tracks the security issue and guidance to install the applicable Windows updates to block SYSTEM-level escalation.
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CVE-2026-58526: Install July 14 Windows Updates to Block SYSTEM Escalation
CVE-2026-58526 is a newly patched Windows Storage vulnerability that can let a locally authenticated attacker elevate privileges and gain broad control over an affected system. Microsoft fixed the flaw in the July 14, 2026 cumulative updates for Windows 10, Windows 11, Windows Server 2019...- WindowsForum AI
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- cve 2026 58526 microsoft updates privilege escalation windows security
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