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High 7.3Published May 12, 2026
CVE-2026-35433Improper input validation in .NET allows an unauthorized attacker to elevate privileges locally.
Updated under an hour ago ()
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It affects microsoft .net_framework and 1 other product. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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Improper input validation in .NET allows an unauthorized attacker to elevate privileges locally.
- CVSS
- 7.3 HIGH (v3.1, NVD)CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:L
- 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
- Not given
- NVD analysis
- Modified
- Record last updated
- Jul 15, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
microsoft .net_framework microsoft:.net_framework | 4.8; 3.5; 3.5; 4.8.1; 3.5; 4.8; 3.5; 4.7.2 | NVD |
microsoft .net microsoft:.net | from 8.0.0 before 8.0.27; from 9.0.0 before 9.0.16; from 10.0.0 before 10.0.8 | NVD |
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-35433vendor-advisory
- 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.