CVE-2026-97803
Windows Kernel Elevation of Privilege Vulnerability
Published Oct 13, 2026 · updated Oct 15, 2026 · Microsoft Windows 11 version 26H1
Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.
Code
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No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Oct 13, 2026 · CIRCL Vulnerability Lookup
Detected
Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.
Oct 15, 2026 · CIRCL Vulnerability Lookup
Updated
Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.
Affected
- vendor Microsoft Windows 11 version 26H1version unspecified
Sources
- CIRCL Vulnerability LookupVulnerability recordCVE-2026-97803
Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.
vulnerability.circl.lu - CVE.orgVulnerability recordCVE-2026-97803
Official CVE identifier
cve.org