CVE-2026-62897
High
Description
Integer overflow or wraparound in .NET Framework allows an unauthorized attacker to execute code locally.
SeverityHigh
CVSS7.0
Exploit probability—
Product
Microsoft .net Framework
PublishedAug 11, 2026
First seenAug 11, 2026
Weakness typeCWE-190Integer overflow
How to fix
Update
- microsoft visual_studio_202217.14.38 or later
- microsoft visual_studio_202618.8.3 or later
- microsoft .net8.0.30, 9.0.19, 10.0.11 or later
- Microsoft.WindowsDesktop.App.Runtime.win-arm6410.0.11, 9.0.19, 8.0.30 or later
- Microsoft.WindowsDesktop.App.Runtime.win-x6410.0.11, 9.0.19, 8.0.30 or later
- Microsoft.WindowsDesktop.App.Runtime.win-x8610.0.11, 9.0.19, 8.0.30 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| microsoft .net_framework | 3.5, 4.7.2, 4.8.1, 4.8 | — |
| microsoft visual_studio_2022 | 17.14.0 ≤ v < 17.14.38 | 17.14.38 |
| microsoft visual_studio_2026 | 18.8.0 ≤ v < 18.8.3 | 18.8.3 |
| microsoft .net | 8.0.0 ≤ v < 8.0.30, 9.0.0 ≤ v < 9.0.19, 10.0.0 ≤ v < 10.0.11 | 8.0.30, 9.0.19, 10.0.11 |
| Microsoft.WindowsDesktop.App.Runtime.win-arm64NuGet | 10.0.0 ≤ v < 10.0.11, 9.0.0 ≤ v < 9.0.19, 8.0.0 ≤ v < 8.0.30 | 10.0.11, 9.0.19, 8.0.30 |
| Microsoft.WindowsDesktop.App.Runtime.win-x64NuGet | 10.0.0 ≤ v < 10.0.11, 9.0.0 ≤ v < 9.0.19, 8.0.0 ≤ v < 8.0.30 | 10.0.11, 9.0.19, 8.0.30 |
| Microsoft.WindowsDesktop.App.Runtime.win-x86NuGet | 10.0.0 ≤ v < 10.0.11, 9.0.0 ≤ v < 9.0.19, 8.0.0 ≤ v < 8.0.30 | 10.0.11, 9.0.19, 8.0.30 |
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