.net FrameworkApplication · Microsoft

CVE-2023-24936

HIGH · 7.5 CVSS v3.1 Published 2023-06-14
Patch available
A vendor patch is available. No clean upgrade release — apply the published patch.
See remediation →
82/100
Remediation priority · High
Remotely reachable No privileges Patch available

Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.

NVD · unedited
.NET, .NET Framework, and Visual Studio Elevation of Privilege Vulnerability

Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.

dbcve analysis

A detailed technical summary for this CVE is being prepared.

Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.

NVD · CPE data
.net FrameworkApplication
Affected:= 4.8= 4.6.2= 4.7= 4.7.1= 4.7.2= 3.5.1= 3.5= 4.8.1= 3.0= 2.0
.netApplication
Affected:= 6.0.0= 7.0.0

CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.

From the vector
Attack vector
Network
Complexity
High
Privileges
None
User interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.

dbcve · scoped
Patch available Apply the vendor patch
Vendor patch msrc.microsoft.com →
Recommended fix Moderate confidence

Upgrade .NET 6.0.x to latest 6.0.x patch; Upgrade .NET 7.0.x to latest 7.0.x patch; Apply .NET Framework security updates via Windows Update

  1. 1. Identify the specific .NET or .NET Framework version currently installed on affected systems
  2. 2. For .NET 6.0.0: upgrade to the latest .NET 6.0.x release (e.g., 6.0.25 or later) by updating the runtime and SDK packages
  3. 3. For .NET 7.0.0: upgrade to the latest .NET 7.0.x release (e.g., 7.0.14 or later) by updating the runtime and SDK packages
  4. 4. For .NET Framework 4.6.2, 4.7, 4.7.1, and 4.8: apply the corresponding Windows security update from Windows Update or the Microsoft Update Catalog
  5. 5. Test the updated applications to ensure compatibility with the new .NET version
  6. 6. Verify that the vulnerability is resolved by confirming the installed version matches the patched release
Caveat Minor: Review release notes for any breaking changes or behavioral changes in point releases; Test thoroughly in staging before production deployment

Generated from the published advisory — verify against the referenced sources before acting.

We can apply and verify the patch for your build — typical engagement from $1,950. Get the patch applied

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References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2023-24936 in production — separate from our analysis above.

No notes yet

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What this is

A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.

What belongs here
  • Verified mitigations, workarounds, and config changes
  • Version or environment caveats, and links to real fixes
  • No weaponised exploit code, or anything meant to cause harm
  • No spam, self-promotion, credentials, or personal data