Vulnerability Description
Integer overflow or wraparound in .NET Framework allows an unauthorized attacker to execute code locally.
CVSS Score
7.0
HIGH
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | .Net Framework | 3.5 |
| Microsoft | Windows 11 26H1 | - |
| Microsoft | Windows 10 1809 | - |
| Microsoft | Visual Studio 2022 | >= 17.14.0, < 17.14.38 |
| Microsoft | Visual Studio 2026 | >= 18.8.0, < 18.8.3 |
| Microsoft | .Net | >= 8.0.0, < 8.0.30 |
| Microsoft | Windows | - |
Related Weaknesses (CWE)
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62897PatchVendor Advisory
FAQ
What is CVE-2026-62897?
CVE-2026-62897 is a vulnerability with a CVSS score of 7.0 (HIGH). Integer overflow or wraparound in .NET Framework allows an unauthorized attacker to execute code locally.
How severe is CVE-2026-62897?
CVE-2026-62897 has been rated HIGH with a CVSS base score of 7.0/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-62897?
Check the references section above for vendor advisories and patch information. Affected products include: Microsoft .Net Framework, Microsoft Windows 11 26H1, Microsoft Windows 10 1809, Microsoft Visual Studio 2022, Microsoft Visual Studio 2026.