CVE-2023-36049
CWE-20Published: November 14, 2023· Updated: Jun 17, 2026
Official Description
.NET, .NET Framework, and Visual Studio Elevation of Privilege Vulnerability
Risk Analysis
This is an elevation of privilege vulnerability affecting .NET, .NET Framework, and Visual Studio. It allows an attacker to gain unauthorized elevated access to the system. Given the critical CVSS score, this represents a significant risk to the integrity and security of the host environment.
There is no known public exploit for this issue, and it is not tracked in the CISA KEV. The vulnerability is remotely exploitable with low complexity.
Apply the latest security updates provided by Microsoft for the affected .NET and Windows Server versions.
Technical Analysis
CVE-2023-36049 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
Official Patches & Advisories
All References (2)
Quick Facts
Related CVEs (CWE-20)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2023-36049 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts