- 7.0HighCVSS base score
- 0.37%Exploitation in 30 daysEPSS · top 69% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
Integer overflow or wraparound in .NET Framework allows an unauthorized attacker to execute code locally.
Timeline
ID reserved
By microsoft
- 28 days later
· 28 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 | High7.0 | CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C |
| NVDNVD · Analyzed | 3.1 | High7.0 | CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 0.37% · top 69% of all CVEs (11 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 7.0.
Affected products
- affected 10.0.0 – < 10.0.11
- affected 8.0.0 – < 8.0.30
- affected 9.0.0 – < 9.0.19
Microsoft · Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2
- affected 3.0.0.0 – < 2.0.50727.8984 & 3.0.30729.8980 & 4.7.4144.0
Microsoft · Microsoft .NET Framework 3.5 AND 4.7.2
- affected 4.7.0 – < 2.0.50727.9070 & 3.0.30729.9068 & 4.7.4144.0
Microsoft · Microsoft .NET Framework 3.5 AND 4.8
- affected 4.8.0 – < 2.0.50727.9070 & 3.0.30729.9068 & 4.8.4805.0
Microsoft · Microsoft .NET Framework 3.5 AND 4.8.1
- affected 4.8.1 – < 2.0.50727.9183 & 3.0.30729.9169 & 4.8.9343.0
Microsoft · Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2
- affected 4.7.0 – < 4.7.4144.0
Microsoft · Microsoft .NET Framework 4.8
- affected 4.8.0 – < 4.8.4805.0
Microsoft · Microsoft .NET Framework 4.8.1
- affected 4.8.0.0 – < 4.8.9344.0
Microsoft · Microsoft Visual Studio 2022 version 17.14
- affected 17.14.0 – < 17.14.38
Microsoft · Microsoft Visual Studio 2026 version 18.8
- affected 18.0 – < 18.8.3
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- NuGetMicrosoft.WindowsDesktop.App.Runtime.win-arm64GHSA-fx4q-gjrx-2jw6 (opens in a new tab)
- NuGetMicrosoft.WindowsDesktop.App.Runtime.win-x64GHSA-fx4q-gjrx-2jw6 (opens in a new tab)
- NuGetMicrosoft.WindowsDesktop.App.Runtime.win-x86GHSA-fx4q-gjrx-2jw6 (opens in a new tab)
References
References1
- .NET Framework Remote Code Execution Vulnerability (opens in a new tab)vendor-advisorypatch
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-2026-56406 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-fx4q-gjrx-2jw6 (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-2026-62897)Record last updated .