CVE-2026-45657: Use after free in Windows Kernel allows an unauthorized

Use after free in Windows Kernel allows an unauthorized attacker to execute code over a network.

• EPSS 15.5% (96.6% percentile)
• CVSS 9.8 critical

Related briefings

• Microsoft patches 206 flaws, four critical bugs likely to be exploited 2026-06-10

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