Microsoft.NETCore.App.Runtime.win x86: Microsoft Security Advisory CVE-2026-114152 - Visual Studio Remote Code
Affects Microsoft.NETCore.App.Runtime.win-x86Source GCVE Database
Not known to be exploited · CVSS 8.8 High : upgrade to 8.0.34 soon.
Data as of 11 Nov 2026, 01:21 UTC
Thin evidence
One scorer or none| CNA (microsoft) | CVSS 3.1 | 8.8 |
|---|
- Patch
- Available – fixed in 8.0.34, 9.0.23, 10.0.15 +1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:CExploitation evidence
Disclosed: evidence found.
CVE published 10 Nov 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 10 Nov 2026.
What to do
Upgrade to a fixed release listed under Affected software.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| NuGetMicrosoft.NETCore.App.Runtime.win-x86 | Affected
| Fixed in
|
| NuGetMicrosoft.NETCore.App.Runtime.win-x64 | Affected
| Fixed in
|
| NuGetMicrosoft.NETCore.App.Runtime.win-arm64 | Affected
| Fixed in
|
| NuGetMicrosoft.NETCore.App.Runtime.win-x86 | Affected
| Fixed in
|
| NuGetMicrosoft.NETCore.App.Runtime.win-x64 | Affected
| Fixed in
|
| NuGetMicrosoft.NETCore.App.Runtime.win-arm64 | Affected
| Fixed in
|
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
Apply the official patches by updating to the fixed versions listed for each affected .NET runtime and SDK version on Windows. For self-contained applications, update the runtime used to build the application, then rebuild and redeploy. If .NET SDK was installed through Visual Studio, update Visual Studio accordingly. Microsoft.DiaSymReader.Native updates are delivered through .NET Core updates rather than standalone NuGet packages.
Description
A high-severity vulnerability exists in Microsoft .NET on Windows platforms affecting multiple architectures (x86, x64, Arm64). The flaw involves attacker-controlled COFF relocation offsets causing an out-of-bounds stack write in the DiaObjectFile::ApplyFixup function. This vulnerability affects various .NET runtime and SDK versions prior to specific patched releases. Updating to the listed fixed versions mitigates the issue.
References
- github.com/dotnet/runtime/security/advisories/GHSA-xf35-v9jh-g65w (opens in a new tab)
- nvd.nist.gov/vuln/detail/CVE-2026-114152 (opens in a new tab)
- github.com/dotnet/announcements/issues/498 (opens in a new tab)
- github.com/dotnet/announcements/issues/523 (opens in a new tab)
- github.com/dotnet/runtime/issues/137280 (opens in a new tab)
- github.com/dotnet/core/blob/main/release-notes/10.0/10.0.15/10.0.15.md (opens in a new tab)
- github.com/dotnet/core/blob/main/release-notes/11.0/11.0.0/11.0.0.md (opens in a new tab)
- github.com/dotnet/core/blob/main/release-notes/8.0/8.0.34/8.0.34.md (opens in a new tab)
- github.com/dotnet/core/blob/main/release-notes/9.0/9.0.23/9.0.23.md (opens in a new tab)
- github.com/dotnet/runtime (opens in a new tab)
- github.com/dotnet/runtime/releases/tag/v10.0.15 (opens in a new tab)
- github.com/dotnet/runtime/releases/tag/v11.0.0 (opens in a new tab)
- github.com/dotnet/runtime/releases/tag/v8.0.34 (opens in a new tab)
- github.com/dotnet/runtime/releases/tag/v9.0.23 (opens in a new tab)
- msrc.microsoft.com/update-guide/vulnerability/CVE-2026-114152 (opens in a new tab)