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CVE-2026-58649VulnerabilityPublished Updated

Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update

Affects Red HatSource GCVE Database

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Mentioned vulnerabilities

Authoritative record:CVE-2026-58649· Medium 6.5

Not known to be exploited · CVSS 6.5 Medium · fixed in Red Hat package updates : update Red Hat microsoft.netcore.app when convenient.

Data as of 29 Oct 2026, 10:10 UTC

CVSS 3.1 base score
6.5Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.3% chance of exploitation in 30 days – higher than 29% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 17.14.40, 18.9.3
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 8 Sep 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 29 Oct 2026.

What to do

Upgrade Microsoft Visual Studio 2022 version 17.14 to 17.14.40; Microsoft Visual Studio 2026 version 18.9 to 18.9.3; microsoft.netcore.app to 18.9.3 or 17.14.40.

Affected software

ProductAffectedFixed in
Microsoft.NET 10.0Affected
  • =10.0.0
Fixed in–
Microsoft.NET 11.0Affected
  • =11.0.0
Fixed in–
Microsoft.NET 8.0Affected
  • =8.0.0
Fixed in–
Microsoft.NET 9.0Affected
  • =9.0.0
Fixed in–
MicrosoftMicrosoft Visual Studio 2022 version 17.14Affected
  • >=17.14.0 <17.14.40
Fixed in
  • 17.14.40
MicrosoftMicrosoft Visual Studio 2026 version 18.9Affected
  • >=18.9.0 <18.9.3
Fixed in
  • 18.9.3

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

Red Hat has released updated RPM packages for Red Hat Hardened Images including dotnet10.0 components that address these vulnerabilities. Users should apply the updates from Red Hat's image repository as described in the advisory. No additional mitigations or workarounds are specified. Since fixes are available, applying the official updates is the recommended action.

Description

A security update for Red Hat Hardened Images RPMs addresses multiple vulnerabilities including CVE-2026-69304, which involves improper handling of highly compressed data in ASP.NET Core leading to denial of service. The update includes various dotnet10.0 RPM packages for aarch64 and x86_64 architectures. The vulnerabilities are rated high severity by Red Hat. No known exploits in the wild have been reported. The vendor advisory provides guidance for applying the update via Red Hat's image repository.

References

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