CVE-2026-66822: microsoft microsoft visual studio 2022 version 17.14
CVSS: 5.9v3.1MediumAwaiting analysis
AliasesGHSA-wxxw-5cvc-53j7CGA-c8q2-v9wv-wjx3CGA-qr46-f769-p2vxCGA-v3w9-jh3m-r58rCGA-4gpf-7vgj-x46hUBUNTU-CVE-2026-66822
Published 13-10-2026Last modified 19-10-2026
Vulnerability summary
CVE-2026-66822 is a medium (CVSS 5.9) vulnerability in microsoft microsoft visual studio 2022 version 17.14. EPSS estimates a 0.67% chance of exploitation in the next 30 days, higher than 51.2% of scored vulnerabilities.
CVSS score
5.9/10
010
Medium · v3.1 (CVE.org)EPSS score
0.67%
0%100%
Low · Change unavailableKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 1Timeline
- 13-10-2026PublishedVulnerability first disclosed.
- 19-10-2026Last modifiedVulnerability information updated.
Description
Insertion of sensitive information into sent data in .NET allows an unauthorized attacker to disclose information over a network.
CVSS metrics
3 scores · 3 sources · 1 versionMedium 5.9Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:CSourcesAll 3 agree
- NVDNIST5.9MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
- OSV · NugetEcosystem advisory · calculated5.9MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS trend
Probability
0.67%
Chance of exploitation in the next 30 days
Percentile
51%
Versus all other CVEs
30-day change
Change unavailable
Change unavailable
14-10-202619-10-2026
EPSS score0.67%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
NuGet11 products
- Microsoft.NETCore.App.Runtime.linux-arm≥ 9.0.0, < 9.0.21 | ≥ 11.0.0-preview.1, < 11.0.0-rc.2 | ≥ 10.0.0, < 10.0.13 | ≥ 8.0.0, < 8.0.32
- Microsoft.NETCore.App.Runtime.linux-arm64≥ 9.0.0, < 9.0.21 | ≥ 11.0.0-preview.1, < 11.0.0-rc.2 | ≥ 10.0.0, < 10.0.13 | ≥ 8.0.0, < 8.0.32
- Microsoft.NETCore.App.Runtime.linux-musl-arm≥ 9.0.0, < 9.0.21 | ≥ 11.0.0-preview.1, < 11.0.0-rc.2 | ≥ 10.0.0, < 10.0.13 | ≥ 8.0.0, < 8.0.32
- Microsoft.NETCore.App.Runtime.linux-musl-arm64≥ 9.0.0, < 9.0.21 | ≥ 11.0.0-preview.1, < 11.0.0-rc.2 | ≥ 10.0.0, < 10.0.13 | ≥ 8.0.0, < 8.0.32
- Microsoft.NETCore.App.Runtime.linux-musl-x64≥ 9.0.0, < 9.0.21 | ≥ 11.0.0-preview.1, < 11.0.0-rc.2 | ≥ 10.0.0, < 10.0.13 | ≥ 8.0.0, < 8.0.32
Microsoft6 products
- microsoft visual studio 2022 version 17.14≥ 17.14.0, < 17.14.42
- microsoft visual studio 2026 version 18.10≥ 18.10.0, < 18.10.4
- .net 10.0≥ 10.0.0, < 10.0.13
- .net 11.0≥ 11.0.0, < 11.0.0-rc.2
- .net 8.0≥ 8.0.0, < 8.0.32
Ubuntu5 products
- dotnet10All versions (No fix recorded)
- dotnet11All versions (No fix recorded)
- dotnet6All versions (No fix recorded)
- dotnet7All versions (No fix recorded)
- dotnet8All versions (No fix recorded)
Chainguard2 products
- dotnet-bootstrap-8All versions (No fix recorded)
- dotnet-bootstrap-9All versions (No fix recorded)
Wolfi2 products
- dotnet-bootstrap-8All versions (No fix recorded)
- dotnet-bootstrap-9All versions (No fix recorded)
5 vendors · 26 products
References
9 links- github.com/dotnet/runtimePACKAGE