Red Hat Security Advisory: .NET 10.0 security update
Affects Red Hat .NET 10.0Source GCVE Database
Mentioned vulnerabilities
Not known to be exploited · CVSS 7.5 High · fixed in Red Hat package updates : patch Red Hat microsoft.netcore.app soon.
Data as of 5 Nov 2026, 21:32 UTC
- Patch
- Available – fixed in 10.0.6, 8.0.26, 9.0.15 +2
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:CExploitation evidence
Disclosed: evidence found.
CVE published 14 Apr 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by 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 5 Nov 2026.
What to do
Upgrade to a fixed release listed under Affected software.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Microsoft.NET 10.0 | Affected
| Fixed in
|
| Microsoft.NET 8.0 | Affected
| Fixed in
|
| Microsoft.NET 9.0 | Affected
| Fixed in
|
| MicrosoftPowerShell 7.5 | Affected
| Fixed in
|
| MicrosoftPowerShell 7.6 | Affected
| Fixed in
|
NuGetmicrosoft.netcore.apppkg:nuget/microsoft.netcore.appOther threats | Affected
| Fixed in– |
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 packages .NET SDK 10.0.106 and .NET Runtime 10.0.6 that fix these vulnerabilities. Users should apply these official updates as soon as possible. For detailed update instructions, refer to Red Hat's advisory and article at https://access.redhat.com/articles/11258. No additional mitigation steps are indicated beyond applying the update.
Description
.NET 10.0 for Red Hat Enterprise Linux has multiple security vulnerabilities including security bypass, denial of service via stack overflow and infinite recursion, and SMTP command and header injection via a MailAddress parsing flaw. Updated versions .NET SDK 10.0.106 and .NET Runtime 10.0.6 address these issues. The update is rated as important by Red Hat Product Security.
References
- access.redhat.com/errata/RHSA-2026:8467 (opens in a new tab)
- access.redhat.com/security/updates/classification/ (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2457739 (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2457740 (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2457741 (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2457781 (opens in a new tab)
- security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_8467.json (opens in a new tab)