CVE-2023-33135

Local privilege escalation via undisclosed mechanism

Published Jun 13, 2023 · Updated Jan 1, 2025

Elevation of privilege in Microsoft .NET and Visual Studio 2022 allows local users to execute code with elevated privileges. Microsoft has not published the affected component or the operation that mishandles attacker-controlled input. Exploitation requires local low-privilege access and user interaction; successful exploitation compromises confidentiality, integrity, and availability in the current security context.

CVSS severity7.3
High
EPSS probability1.00%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Elevation of privilege in Microsoft .NET and Visual Studio 2022 allows local users to execute code with elevated privileges. Microsoft has not published the affected component or the operation that mishandles attacker-controlled input. Exploitation requires local low-privilege access and user interaction; successful exploitation compromises confidentiality, integrity, and availability in the current security context.

The record

CVE
CVE-2023-33135
Published
Jun 13, 2023
Updated
Jan 1, 2025
Vendor
Microsoft
Product
.NET 6.0
Classifications
T1068
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Jun 13, 2023CVE publishedPublication date reported by the CVE source.
  2. Jan 1, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=6.0.0 <6.0.18

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

Microsoft · .NET 6.0version=6.0.0 <6.0.18
Microsoft · Microsoft Visual Studio 2022 version 17.6version=17.6.0 <17.6.3
Microsoft · Microsoft Visual Studio 2022 version 17.4version=17.4.0 <17.4.8
Microsoft · Microsoft Visual Studio 2022 version 17.0version=17.0.0 <17.0.22
Microsoft · Microsoft Visual Studio 2022 version 17.2version=17.2.0 <17.2.16
Microsoft · .NET 7.0version=7.0.0 <7.0.7

Published CVSS scores

7.3Microsoft CorporationCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

T1068Exploitation for Privilege Escalation

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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