Visual Studio
CVE-2023-21567 — Visual Studio Denial of Service Vulnerability
Executive Summary
None
Overview
5.6
CVSS MEDIUM
Important
MS Severity
Not Exploited
MS Exploit Status
Less Likely
MS Exploit Likelihood
CVSS Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:H/E:P/RL:O/RC:C
ATTACK VECTOR
Local
ATTACK COMPLEXITY
Low
PRIVILEGES REQUIRED
Low
USER INTERACTION
Required
SCOPE
Unchanged
CONFIDENTIALITY
None
INTEGRITY
Low
AVAILABILITY
High
EXPLOIT CODE MATURITY
Proof-of-Concept
REMEDIATION LEVEL
Official Fix
REPORT CONFIDENCE
Confirmed
Temporal Score: 5.1
EPSS Score
0.00799
probability of exploitation in the next 30 days
0.51725 percentile - updated 2026-06-21
View on FIRST.org
Affected Products
5 affected products
| Product | KB Article | Severity | Impact | Restart Required |
|---|---|---|---|---|
| Microsoft Visual Studio 2017 version 15.9 (includes 15.0 - 15.8) | Release Notes (Security Update) |
Important | Denial of Service | Maybe |
| Microsoft Visual Studio 2019 version 16.11 (includes 16.0 - 16.10) | Release Notes (Security Update) |
Important | Denial of Service | Maybe |
| Microsoft Visual Studio 2022 version 17.0 | Release Notes (Security Update) |
Important | Denial of Service | Maybe |
| Microsoft Visual Studio 2022 version 17.2 | Release Notes (Security Update) |
Important | Denial of Service | Maybe |
| Microsoft Visual Studio 2022 version 17.4 | Release Notes (Security Update) |
Important | Denial of Service | Maybe |
Patches
1 patch
| Article | Type | Restart |
|---|---|---|
Release Notes |
Security Update | Maybe |
Known Exploits
No known exploits have been linked for this CVE yet. When available, exploit references will be sourced from public repositories and may be unverified, incomplete, or non-functional. Always review code carefully before use in any environment.
Acknowledgments
References
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