CVE-2026-62872

.NET Framework Elevation of Privilege Vulnerability

At a glance

Severity
HIGH 8.8
EPSS
EPSS 0.78 % · percentile 56 (2026-10-27)
State
PUBLISHED
Published
Updated
Assigner
microsoft
NVD status
Analyzed

Description

Incorrect authorization in .NET Framework allows an authorized attacker to elevate privileges over a network.

Scores

VersionScoreVectorScored by
CVSS 3.1HIGH 8.8CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:Cmicrosoft
CVSS 3.1HIGH 8.8CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HNVD · secure@microsoft.com (Secondary)

Weaknesses (CWE)

European references

CERT-FR advisories

Affected configurations (NVD CPE)

Affected products

ProductVersions
Microsoft · Microsoft .NET Framework 3.5affected 3.5.0 < 2.0.50727.9183 & 3.0.30729.9169
Microsoft · Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2affected 3.0.0.0 < 2.0.50727.8984 & 3.0.30729.8980 & 4.7.4144.0
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 3.5 AND 4.8.1affected 4.8.1 < 2.0.50727.9183 & 3.0.30729.9169 & 4.8.9343.0
Microsoft · Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2affected 4.7.0 < 4.7.4144.0
Microsoft · Microsoft .NET Framework 4.8affected 4.8.0 < 4.8.4805.0
Microsoft · Microsoft .NET Framework 4.8.1affected 4.8.0.0 < 4.8.9344.0

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