CVE-2026-35433.NET Elevation of Privilege Vulnerability
- 7.3HighCVSS base score
- 0.77%Exploitation in 30 daysEPSS · top 44% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
Improper input validation in .NET allows an unauthorized attacker to elevate privileges locally.
Timeline
ID reserved
By microsoft
- 40 days later
· 40 days later
Published
- 3 months later
· 3 months later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| microsoftCNA (assigner) | 3.1 | High7.3 | 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 |
| redhat-SADPADP (enrichment) | 3.1 | High7.3 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L |
| NVDNVD · Modified | 3.1 | High7.3 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:L |
- EPSS (exploitation in 30 days)
- 0.77% · top 44% of all CVEs (13 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: total
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.3.
Affected products
- affected 10.0.0 – < 10.0.8
- affected 8.0.0 – < 8.0.27
- affected 9.0.0 – < 9.0.16
Microsoft · Microsoft .NET Framework 3.5
- affected 3.5.0 – < 4.8.9334.0 and 4.8.4802.0
Microsoft · Microsoft .NET Framework 3.5 AND 4.7.2
- affected 4.7.0 – < 4.8.9334.0 and 4.8.4802.0
Microsoft · Microsoft .NET Framework 3.5 AND 4.8
- affected 4.8.0 – < 4.8.9334.0 and 4.8.4802.0
Microsoft · Microsoft .NET Framework 3.5 AND 4.8.1
- affected 4.8.1 – < 4.8.9334.0 and 4.8.4802.0
Microsoft · Microsoft .NET Framework 4.8
- affected 4.8.0 – < 4.8.9334.0 and 4.8.4802.0
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- NuGetMicrosoft.WindowsDesktop.App.Runtime.win-arm64GHSA-8x9c-mqxv-q2pp (opens in a new tab)
- NuGetMicrosoft.WindowsDesktop.App.Runtime.win-x64GHSA-8x9c-mqxv-q2pp (opens in a new tab)
- NuGetMicrosoft.WindowsDesktop.App.Runtime.win-x86GHSA-8x9c-mqxv-q2pp (opens in a new tab)
References
References4
- .NET Elevation of Privilege Vulnerability (opens in a new tab)vendor-advisorypatch
- https://access.redhat.com/security/cve/CVE-2026-35433 (opens in a new tab)vdb-entryx_refsource_REDHAT
- RHBZ#2476577 (opens in a new tab)issue-trackingx_refsource_REDHAT
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-35433.json (opens in a new tab)x_sadp-csaf-vex
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2026-29634 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-8x9c-mqxv-q2pp (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2026-35433)Record last updated .