CVE record · CVE-2022-26929

.NET Framework Remote Code Execution Vulnerability

CVSS 7.8 HighEPSS 0.016 · 75th percentile

Published by the CVE Program (CNA: microsoft) at 13 Sept 2022, 18:41 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
Microsoft	Microsoft .NET Framework 3.5 AND 4.8.1	affected 4.8.1 to before 3.5.09082.05 custom
Microsoft	Microsoft .NET Framework 4.8.1	affected 4.8.0.0 to before 4.8.04556.03 custom
Microsoft	Microsoft .NET Framework 3.5 AND 4.6/4.6.2	affected 10.0.0 to before 10.0.10240.19444 custom

Identifiers: CVE-2022-26929
CNA: microsoft
Tags: Microsoft .NET Framework 3.5 AND 4.8.1
Microsoft .NET Framework 4.8.1
Microsoft .NET Framework 3.5 AND 4.6/4.6.2
Published: 13 Sept 2022
Updated: 11 Mar 2025

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
7.8	High	3.1	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C	CNA (microsoft)

CISA KEV Not listed.
EPSS 0.016, the 75th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 13 Sept 2022. New records show when each source confirmed them.

Sources

References from the CNA

msrc.microsoft.com/update-guide/vulnerability/CVE-2022-26929 vendor-advisory

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.