CVE-2026-62872

HIGHCVSS 8.8/10

Last modified

CVE-2026-62872 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. Incorrect authorization in .NET Framework allows an authorized attacker to elevate privileges over a network..

Description

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

Metrics

CVSS 3.1
8.8/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
MicrosoftMicrosoft .NET Framework 3.5>= 3.5.0, < 2.0.50727.9183 & 3.0.30729.9169
MicrosoftMicrosoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2>= 3.0.0.0, < 2.0.50727.8984 & 3.0.30729.8980 & 4.7.4144.0
MicrosoftMicrosoft .NET Framework 3.5 AND 4.7.2>= 4.7.0, < 2.0.50727.9070 & 3.0.30729.9068 & 4.7.4144.0
MicrosoftMicrosoft .NET Framework 3.5 AND 4.8>= 4.8.0, < 2.0.50727.9070 & 3.0.30729.9068 & 4.8.4805.0
MicrosoftMicrosoft .NET Framework 3.5 AND 4.8.1>= 4.8.1, < 2.0.50727.9183 & 3.0.30729.9169 & 4.8.9343.0
MicrosoftMicrosoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2>= 4.7.0, < 4.7.4144.0
MicrosoftMicrosoft .NET Framework 4.8>= 4.8.0, < 4.8.4805.0
MicrosoftMicrosoft .NET Framework 4.8.1>= 4.8.0.0, < 4.8.9344.0

References

Timeline

Published
Last Modified
Status
Undergoing Analysis

Frequently Asked Questions

What is CVE-2026-62872?
Incorrect authorization in .NET Framework allows an authorized attacker to elevate privileges over a network.
How severe is CVE-2026-62872?
CVE-2026-62872 has a CVSS score of 8.8/10 (HIGH severity).
How do I fix CVE-2026-62872?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST