5.9

CVE-2026-62899: microsoft microsoft visual studio 2022 version 17.14 HTTP Request/Response Smuggling

CVSS: 5.9v3.1MediumAnalyzed
AliasesUBUNTU-CVE-2026-62899CGA-4v3c-f2cv-88vvCGA-8rpw-xwxv-m335
Published 11-08-2026Last modified 08-10-2026
Open JSON

Vulnerability summary

CVE-2026-62899 is a medium (CVSS 5.9) HTTP Request/Response Smuggling vulnerability in microsoft microsoft visual studio 2022 version 17.14. EPSS estimates a 0.75% chance of exploitation in the next 30 days, higher than 54% 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
0.75%
0%100%
Low · +0.04 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 18 · Related 1
RHSA-2026:44914RHSA-2026:54538RHSA-2026:54541RHSA-2026:54542RHSA-2026:54550RHSA-2026:54574

Timeline

  1. 11-08-2026
    PublishedVulnerability first disclosed.
  2. 08-10-2026
    Last modifiedVulnerability information updated.

Description

Inconsistent interpretation of http requests ('http request/response smuggling') in .NET allows an unauthorized attacker to bypass a security feature over a network.

CVSS metrics

6 scores · 6 sources · 1 version

EPSS trend

Probability

0.75%

Chance of exploitation in the next 30 days

Percentile

54%

Versus all other CVEs

30-day change

+0.04 pp

From 0.71% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.75%

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

Microsoft8 products
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