CVE-2026-97803
High
Description
Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.
SeverityHigh
CVSS7.8
Exploit probability—
Product
Microsoft Windows
PublishedOct 13, 2026
First seenOct 13, 2026
Weakness typeCWE-122CWE-122
How to fix
Update
- microsoft windows_11_26h110.0.28000.3231 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| microsoft windows_11_26h1 | v < 10.0.28000.3231 | 10.0.28000.3231 |
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