7.5

CVE-2026-58280: microsoft microsoft .net framework 3.5 Uncontrolled Recursion

CVSS: 7.5v3.1HighAwaiting analysis
AliasesGHSA-mc4q-93x5-f6hjCGA-22r6-j345-hcjqCGA-c2fh-m8v3-wxv2
Published 13-10-2026Last modified 16-10-2026
Open JSON

Vulnerability summary

CVE-2026-58280 is a high (CVSS 7.5) Uncontrolled Recursion vulnerability in microsoft microsoft .net framework 3.5. EPSS estimates a 1.10% chance of exploitation in the next 30 days, higher than 65.2% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (CVE.org)
EPSS score
1.10%
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
RHSA-2026:84424

Timeline

  1. 13-10-2026
    PublishedVulnerability first disclosed.
  2. 16-10-2026
    Last modifiedVulnerability information updated.

Description

Uncontrolled recursion in .NET allows an unauthorized attacker to deny service over a network.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

1.10%

Chance of exploitation in the next 30 days

Percentile

65%

Versus all other CVEs

30-day change

Change unavailable

Change unavailable

14-10-202619-10-2026
EPSS score
1.10%

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

Microsoft14 products
NuGet12 products
  • Microsoft.NETCore.App.Runtime.linux-arm≥ 9.0.0, < 9.0.21 | ≥ 8.0.0, < 8.0.32 | ≥ 10.0.0, < 10.0.13 | ≥ 11.0.0-preview.1, < 11.0.0-rc.2
  • Microsoft.NETCore.App.Runtime.linux-arm64≥ 9.0.0, < 9.0.21 | ≥ 8.0.0, < 8.0.32 | ≥ 10.0.0, < 10.0.13 | ≥ 11.0.0-preview.1, < 11.0.0-rc.2
  • Microsoft.NETCore.App.Runtime.linux-musl-arm≥ 9.0.0, < 9.0.21 | ≥ 8.0.0, < 8.0.32 | ≥ 10.0.0, < 10.0.13 | ≥ 11.0.0-preview.1, < 11.0.0-rc.2
  • Microsoft.NETCore.App.Runtime.linux-musl-arm64≥ 9.0.0, < 9.0.21 | ≥ 8.0.0, < 8.0.32 | ≥ 10.0.0, < 10.0.13 | ≥ 11.0.0-preview.1, < 11.0.0-rc.2
  • Microsoft.NETCore.App.Runtime.linux-musl-x64≥ 9.0.0, < 9.0.21 | ≥ 8.0.0, < 8.0.32 | ≥ 10.0.0, < 10.0.13 | ≥ 11.0.0-preview.1, < 11.0.0-rc.2
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)

4 vendors · 30 products

References

5 links