CVE-2026-97803: Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.

PriorityP350high7.8CVSS 3.1

AVLACLPRLUINSUCHIHAH

EPSS

0.31%

22.7th percentile

Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.

Affected

2 ranges

Vendor	Product	Version range	Fixed in
microsoft	windows_11_26h1	< 10.0.28000.3231	10.0.28000.3231
microsoft	windows_11_version_26h1	>= 10.0.28000.0 < 10.0.28000.3231	10.0.28000.3231

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