CVE-2026-62897: Microsoft .net

High severity, CVSS 7.0. EPSS: 0.4% chance of exploitation in the next 30 days.

Integer overflow or wraparound in .NET Framework allows an unauthorized attacker to execute code locally.

Affected products

• Microsoft .net: from 8.0.0, before 8.0.30 (fixed in 8.0.30); from 9.0.0, before 9.0.19 (fixed in 9.0.19); from 10.0.0, before 10.0.11 (fixed in 10.0.11)
• Microsoft .NET Framework: version 3.5 only; version 4.7.2 only; version 4.8.1 only; version 4.8 only
• Microsoft Visual Studio 2022: from 17.14.0, before 17.14.38 (fixed in 17.14.38)
• Microsoft Visual Studio 2026: from 18.8.0, before 18.8.3 (fixed in 18.8.3)

Published 2026-08-11. Last modified 2026-08-14.