CVE-2026-62909: microsoft microsoft visual studio 2022 version 17.14 Unchecked Return Value
CVSS: 7.8v3.1HighAnalyzed
AliasesUBUNTU-CVE-2026-62909CGA-5vx7-5695-gwmpCGA-66mj-q424-mmwjCGA-8xgj-6qfg-xgmpCGA-p862-wx3p-5m45GHSA-9mr8-pwpw-3j2wBIT-dotnet-2026-62909BIT-dotnet-sdk-2026-62909
Published 11-08-2026Last modified 08-10-2026
Vulnerability summary
CVE-2026-62909 is a high (CVSS 7.8) Unchecked Return Value vulnerability in microsoft microsoft visual studio 2022 version 17.14. EPSS estimates a 0.26% chance of exploitation in the next 30 days, higher than 17.1% of scored vulnerabilities.
CVSS score
7.8/10
010
High · v3.1 (CVE.org)EPSS score
0.26%
0%100%
Low · -0.02 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 18 · Related 1Timeline
- 11-08-2026PublishedVulnerability first disclosed.
- 08-10-2026Last modifiedVulnerability information updated.
Description
Uncaught exception in .NET allows an authorized attacker to elevate privileges locally.
CVSS metrics
6 scores · 6 sources · 1 versionHigh 7.8Preferred score · CVE.org (CNA)
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:CSources6 sources · 6.7–7.8
- OSV · UbuntuEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
- OSV · WolfiEcosystem advisory · calculated6.7MediumCVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:HDiffers
- OSV · ChainguardEcosystem advisory · calculated6.7MediumCVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:HDiffers
- OSV · NugetEcosystem advisory · calculated6.7MediumCVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:HDiffers
- NVDNIST7.8HighCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
EPSS trend
Probability
0.26%
Chance of exploitation in the next 30 days
Percentile
17%
Versus all other CVEs
30-day change
-0.02 pp
From 0.29% on 19-09-2026
19-09-202619-10-2026
EPSS score0.26%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Microsoft8 products
- microsoft visual studio 2022 version 17.14≥ 17.14.0, < 17.14.38
- microsoft visual studio 2026 version 18.8≥ 18.0, < 18.8.3
- .net≥ 8.0.0, < 8.0.30 | ≥ 9.0.0, < 9.0.19 | ≥ 10.0.0, < 10.0.11
- .net 10.0≥ 10.0.0, < 10.0.11
- .net 8.0≥ 8.0.0, < 8.0.30
NuGet8 products
- Microsoft.NETCore.App.Runtime.linux-arm≥ 10.0.0, < 10.0.11 | ≥ 9.0.0, < 9.0.19 | ≥ 8.0.0, < 8.0.30
- Microsoft.NETCore.App.Runtime.linux-arm64≥ 10.0.0, < 10.0.11 | ≥ 9.0.0, < 9.0.19 | ≥ 8.0.0, < 8.0.30
- Microsoft.NETCore.App.Runtime.linux-musl-arm≥ 10.0.0, < 10.0.11 | ≥ 9.0.0, < 9.0.19 | ≥ 8.0.0, < 8.0.30
- Microsoft.NETCore.App.Runtime.linux-musl-arm64≥ 10.0.0, < 10.0.11 | ≥ 9.0.0, < 9.0.19 | ≥ 8.0.0, < 8.0.30
- Microsoft.NETCore.App.Runtime.linux-musl-x64≥ 10.0.0, < 10.0.11 | ≥ 9.0.0, < 9.0.19 | ≥ 8.0.0, < 8.0.30
Ubuntu4 products
- dotnet10< 10.0.111-10.0.11-0ubuntu1~24.04.1 | < 10.0.111-10.0.11-0ubuntu1~26.04.1
- dotnet6All versions (No fix recorded)
- dotnet7All versions (No fix recorded)
- dotnet8< 8.0.130-8.0.30-0ubuntu1~22.04.1 | < 8.0.130-8.0.30-0ubuntu1~24.04.1
Chainguard2 products
- dotnet-bootstrap-8< 8.0.131-r0
- dotnet-bootstrap-9< 9.0.121-r0
Wolfi2 products
- dotnet-bootstrap-8< 8.0.131-r0
- dotnet-bootstrap-9< 9.0.121-r0
5 vendors · 24 products
References
9 links- github.com/dotnet/runtimePACKAGE