6.5

CVE-2026-58649: microsoft microsoft visual studio 2022 version 17.14 Origin Validation Error

CVSS: 6.5v3.1MediumAnalyzed
AliasesRHSA-2026:67524RHSA-2026:67525RHSA-2026:68316
Published 08-09-2026Last modified 14-10-2026

Vulnerability summary

CVE-2026-58649 is a medium (CVSS 6.5) Origin Validation Error vulnerability in microsoft microsoft visual studio 2022 version 17.14. EPSS estimates a 0.27% chance of exploitation in the next 30 days, higher than 17.6% of scored vulnerabilities.

Overall risk
26/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.5/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.27%
0%100%
Low · -0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 8 · Related 1

Timeline

  1. 08-09-2026
    PublishedVulnerability first disclosed.
  2. 14-10-2026
    Last modifiedVulnerability information updated.

Description

Origin validation error in .NET allows an unauthorized attacker to disclose information over a network.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.27%

Chance of exploitation in the next 30 days

Percentile

18%

Versus all other CVEs

30-day change

-0.01 pp

From 0.27% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.27%

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

Redhat26 products
  • aspnetcore-runtime-8.0< 0:8.0.31-1.el9_8 | < 0:8.0.31-1.el10_2 | < 0:8.0.31-1.el8_10
  • aspnetcore-runtime-dbg-8.0< 0:8.0.31-1.el9_8 | < 0:8.0.31-1.el10_2 | < 0:8.0.31-1.el8_10
  • aspnetcore-targeting-pack-8.0< 0:8.0.31-1.el9_8 | < 0:8.0.31-1.el10_2 | < 0:8.0.31-1.el8_10
  • dotnet-apphost-pack-8.0< 0:8.0.31-1.el9_8 | < 0:8.0.31-1.el10_2 | < 0:8.0.31-1.el8_10
  • dotnet-apphost-pack-8.0-debuginfo< 0:8.0.31-1.el9_8 | < 0:8.0.31-1.el10_2 | < 0:8.0.31-1.el8_10
Microsoft10 products
Ubuntu4 products
  • dotnet10< 10.0.112-10.0.12-0ubuntu1~24.04.1 | < 10.0.112-10.0.12-0ubuntu1~26.04.1
  • dotnet6All versions (No fix recorded)
  • dotnet7All versions (No fix recorded)
  • dotnet8< 8.0.131-8.0.31-0ubuntu1~22.04.1 | < 8.0.131-8.0.31-0ubuntu1~24.04.1

3 vendors · 40 products

References

21 links
Show all 21 references