CVE-2026-32175
.NET Core Tampering Vulnerability
- Published
- Updated
- Reserved
- Assigned by
- microsoft
Description
A tampering vulnerability exists when .NET Core improperly handles specially crafted files. An attacker who successfully exploited this vulnerability could write arbitrary files and directories to certain locations on a vulnerable system. However, an attacker would have limited control over the destination of the files and directories. To exploit the vulnerability, an attacker must send a specially crafted file to a vulnerable system. The security update fixes the vulnerability by ensuring .NET Core properly handles files.
Timeline
ID reserved
By microsoft
- 2 months later
· 2 months 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 | Medium4.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C |
| NVDNVD · Analyzed | 3.1 | Medium4.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N |
- EPSS (exploitation in 30 days)
- 0.71% · top 46% of all CVEs (7 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.3.
Weakness
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 Visual Studio 2022 version 17.12
- affected 17.12.0 – < 17.12.20
Microsoft · Microsoft Visual Studio 2022 version 17.14
- affected 17.14.0 – < 17.14.32
Microsoft · Microsoft Visual Studio 2026 version 18.5
- affected 18.5.0 – < 18.5.3
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- NuGetMicrosoft.NetCore.App.Runtime.win-armGHSA-rg75-q538-x34v (opens in a new tab)
- NuGetMicrosoft.NetCore.App.Runtime.win-arm64GHSA-rg75-q538-x34v (opens in a new tab)
- NuGetMicrosoft.NetCore.App.Runtime.win-x64GHSA-rg75-q538-x34v (opens in a new tab)
- NuGetMicrosoft.NetCore.App.Runtime.win-x86GHSA-rg75-q538-x34v (opens in a new tab)
References (1)
- .NET Core Tampering 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)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-rg75-q538-x34v (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2026-32175)Record last updated .