CVE-2023-38171: microsoft microsoft visual studio 2022 version 17.2 NULL Pointer Dereference
CVSS: 7.5v3.1HighModified
AliasesGHSA-xh5m-8qqp-c5x7BIT-dotnet-2023-38171BIT-dotnet-sdk-2023-38171
Published 10-10-2023Last modified 14-04-2025
Vulnerability summary
CVE-2023-38171 is a high (CVSS 7.5) NULL Pointer Dereference vulnerability in microsoft microsoft visual studio 2022 version 17.2. EPSS estimates a 71.05% chance of exploitation in the next 30 days, higher than 99.4% of scored vulnerabilities.
CVSS score
7.5/10
010
High · v3.1 (CVE.org)EPSS score
71.05%
0%100%
Critical · +1.34 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 10-10-2023PublishedVulnerability first disclosed.
- 14-04-2025Last modifiedVulnerability information updated.
Description
Microsoft QUIC Denial of Service Vulnerability
CVSS metrics
3 scores · 3 sources · 1 versionHigh 7.5Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:CSourcesAll 3 agree
- OSV · NugetEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- NVDNIST7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
71.05%
Chance of exploitation in the next 30 days
Percentile
99%
Versus all other CVEs
30-day change
+1.34 pp
From 69.71% on 20-09-2026
20-09-202620-10-2026
EPSS score71.05%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Microsoft12 products
- microsoft visual studio 2022 version 17.2≥ 17.2.0, < 17.2.21
- microsoft visual studio 2022 version 17.4≥ 17.4.0, < 17.4.13
- microsoft visual studio 2022 version 17.6≥ 17.6.0, < 17.6.9
- microsoft visual studio 2022 version 17.7≥ 17.7.0, < 17.7.6
- .net≥ 7.0.0, < 7.0.12
NuGet2 products
- Microsoft.Native.Quic.MsQuic.OpenSSL< 2.2.3
- Microsoft.Native.Quic.MsQuic.Schannel< 2.2.3
2 vendors · 14 products
References
5 links- github.com/microsoft/msquicPACKAGE