Is there a public exploit for CVE-2026-118745?

No public exploit for CVE-2026-118745 was found in Exploit-DB, Metasploit, Nuclei templates or public proof-of-concept repositories. That is an absence of evidence rather than proof that none exists.

How severe is CVE-2026-118745?

CVE-2026-118745 scores CVSS 7.7 (v3.1), rated high.

What does CVE-2026-118745 affect?

CVE-2026-118745 affects Microsoft.NETCore.App.Runtime.win-x86, Microsoft.NETCore.App.Runtime.win-x64, Microsoft.NETCore.App.Runtime.win-arm64.

7.7 High

Microsoft Security Advisory CVE-2026-118745 - Visual Studio Remote Code Execution Vulnerability

CVE-2026-118745

Executive summary Microsoft is releasing this security advisory to provide information about a vulnerability in .NET. This advisory provides guidance on updating affected applications and components. Crafted PDB line metadata can exceed the caller-provided buffer and cause a heap out-of-bounds write. CVSS Details Version: 3.1 Severity: High Score: 8.8 (base score) Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C Weakness: CWE-122 Affected Platforms Platforms: Windows Architectures: x86, x64, Arm64 Affected Packages On Windows x86, x64, and Arm64, Microsoft.DiaSymReader.Native versions earlier than 18.9.1-beta1.26515.1 are affected when reading crafted native PDBs. .NET on Windows Product | Affected version | Patched version | --- | --- .NET 8.0 installed on Windows | >= 8.0.0, = 9.0.0, = 10.0.0, = 11.0.0-preview.1, = 8.0.0, = 8.0.0, = 8.0.0, = 9.0.0, = 9.0.0, = 9.0.0, = 10.0.0, = 10.0.0, = 10.0.0, = 11.0.0-preview.1, = 11.0.0-preview.1, = 11.0.0-preview.1, = 8.0.100-0, = 8.0.400-0, = 9.0.100-0, = 9.0.300-0, = 10.0.100-0, = 10.0.400-0, = 11.0.100-preview.1, How do I know if I am affected? Applications using Microsoft.DiaSymReader.Native versions earlier than…

Assessment

CVSS: 7.7 (v3.1)
Severity: High
Known exploited: Not listed in CISA KEV
Exploit availability: Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
Published: 11 November 2026
Last updated: 11 November 2026
Affected: Microsoft.NETCore.App.Runtime.win-x86 · Microsoft.NETCore.App.Runtime.win-x64 · Microsoft.NETCore.App.Runtime.win-arm64
Weakness: CWE-122

CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

At the source

GitHub Advisories

References

Community proofs of concept

No community proof of concept yet. If you have one for a published vulnerability and the right to share it, add it below — it will appear here once reviewed.

Submit a proof of concept

Only for publicly disclosed vulnerabilities, and only material from testing you were authorised to perform. This platform does not buy, sell, or broker exploits — see earning from vulnerability research for legitimate bounty programs. Submissions are reviewed before they appear. Text only; do not include live credentials, personal data, or anything targeting systems you are not permitted to test.

Title *

Proof of concept *

Write-up (optional)

Affected versions (optional)

Name or handle (optional)

References (optional, one URL per line)

Licence for your contribution *

Private contact (optional, never shown)

Before you submit * This vulnerability is already publicly disclosed (it has a published CVE). This material comes only from testing I was authorised to perform. I have the legal right to publish this content and am not breaching any agreement by doing so. It contains no live credentials, personal data, or anything targeting systems I am not authorised to test. I understand it will be reviewed before it appears publicly and may be rejected. I agree to the submission terms.

What is 7 + 4? *

Query this programmatically

Agents can read this through the MCP endpoint, or over HTTP:

curl https://cve.zerocrew.in/api/cve/CVE-2026-118745