CVE-2026-70052
High
Description
Integer overflow or wraparound in Windows PowerShell allows an authorized attacker to execute code locally.
SeverityHigh
CVSS7.8
Exploit probability—
Product
Microsoft Windows 11 Version 26h2 For Arm64-based Systems
PublishedOct 13, 2026
First seenOct 13, 2026
Weakness typeCWE-190Integer overflowCWE-122CWE-122
How to fix
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| microsoft windows_11_version_26h2_for_arm64-based_systems | No range specified | — |
| microsoft windows_11_version_26h2_for_x64-based_systems | No range specified | — |
| microsoft windows_server_2022 | No range specified | — |
| microsoft windows_server_2025 | No range specified | — |
| microsoft windows_11_25H2 | No range specified | — |
| microsoft windows_11_23H2 | No range specified | — |
| microsoft windows_11_24H2 | No range specified | — |
| microsoft windows_11_26H1 | No range specified | — |
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