5.9

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-p2vx
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.

Overall risk
24/100
0100
Low · default modelHow is this calculated?
CVSS score
5.9/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.67%
0%100%
Low · Change unavailable
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 1

Timeline

  1. 13-10-2026
    PublishedVulnerability first disclosed.
  2. 19-10-2026
    Last 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 version

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 score
0.67%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected 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
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