CVE-2026-62897

.NET Framework Remote Code Execution Vulnerability

At a glance

Severity
HIGH 7.0
EPSS
EPSS 0.37 % · percentile 31 (2026-10-27)
State
PUBLISHED
Published
Updated
Assigner
microsoft
NVD status
Analyzed

Description

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

Scores

VersionScoreVectorScored by
CVSS 3.1HIGH 7.0CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:Cmicrosoft
CVSS 3.1HIGH 7.0CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:HNVD · secure@microsoft.com (Secondary)

Weaknesses (CWE)

Advisories

European references

CERT-FR advisories

Affected configurations (NVD CPE)

Affected products

ProductVersions
Microsoft · .NET 10.0affected 10.0.0 < 10.0.11
Microsoft · .NET 8.0affected 8.0.0 < 8.0.30
Microsoft · .NET 9.0affected 9.0.0 < 9.0.19
Microsoft · Microsoft .NET Framework 3.5affected 3.5.0 < 2.0.50727.9183 & 3.0.30729.9169
Microsoft · Microsoft .NET Framework 3.5 AND 4.7.2affected 4.7.0 < 2.0.50727.9070 & 3.0.30729.9068 & 4.7.4144.0
Microsoft · Microsoft .NET Framework 3.5 AND 4.8affected 4.8.0 < 2.0.50727.9070 & 3.0.30729.9068 & 4.8.4805.0
Microsoft · Microsoft .NET Framework 4.8.1affected 4.8.0.0 < 4.8.9344.0
Microsoft · Microsoft Visual Studio 2022 version 17.14affected 17.14.0 < 17.14.38
Microsoft · Microsoft Visual Studio 2026 version 18.8affected 18.0 < 18.8.3

References

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD