High 7.3Published May 12, 2026

CVE-2026-35433.NET Elevation of Privilege Vulnerability

Updated under an hour ago (Oct 27, 2026, 7:50 PM ET)

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It affects Microsoft .NET 10.0 and 11 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for Microsoft .NET 10.0

Exploited in the last 30 days

Improper input validation in .NET allows an unauthorized attacker to elevate privileges locally.

CVSS: 7.3 HIGH (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:L/E:U/RL:O/RC:C
Weakness (CWE): CWE-20, CWE-190
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: microsoft
NVD analysis: Modified
Record last updated: Aug 10, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Microsoft .NET 10.0 microsoft:net_10.0 (from the name)	from 10.0.0 before 10.0.8	CNA record
Microsoft .NET 8.0 microsoft:net_8.0 (from the name)	from 8.0.0 before 8.0.27	CNA record
Microsoft .NET 9.0 microsoft:net_9.0 (from the name)	from 9.0.0 before 9.0.16	CNA record
Microsoft Microsoft .NET Framework 3.5 microsoft:net_framework_3.5 (from the name)	from 3.5.0 before 4.8.9334.0 and 4.8.4802.0	CNA record
Microsoft Microsoft .NET Framework 3.5 AND 4.7.2 microsoft:net_framework_3.5_and_4.7.2 (from the name)	from 4.7.0 before 4.8.9334.0 and 4.8.4802.0	CNA record
Microsoft Microsoft .NET Framework 3.5 AND 4.8 microsoft:net_framework_3.5_and_4.8 (from the name)	from 4.8.0 before 4.8.9334.0 and 4.8.4802.0	CNA record
Microsoft Microsoft .NET Framework 3.5 AND 4.8.1 microsoft:net_framework_3.5_and_4.8.1 (from the name)	from 4.8.1 before 4.8.9334.0 and 4.8.4802.0	CNA record
Microsoft Microsoft .NET Framework 4.8 microsoft:net_framework_4.8 (from the name)	from 4.8.0 before 4.8.9334.0 and 4.8.4802.0	CNA record
Red Hat Red Hat Enterprise Linux 10 redhat:enterprise_linux	10	CISA ADP
Red Hat Red Hat Hardened Images redhat:hummingbird	1	CISA ADP
1–10 of 12

References

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-35433	vendor-advisory, patch
https://access.redhat.com/security/cve/CVE-2026-35433
https://bugzilla.redhat.com/show_bug.cgi?id=2476577
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-35433.json

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.