CVE-2026-33116: Microsoft .NET 10.0 · Infinite Loop
Affects Microsoft .NET 10.0Source CVE Database V5
Not known to be exploited · CVSS 7.5 High : upgrade to 10.0.6 soon.
Data as of 30 Oct 2026, 11:52 UTC
- EPSS
- 2.1% chance of exploitation in 30 days – higher than 82% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 10.0.6, 8.0.26, 9.0.15 +1
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 30 Oct 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 8.0 | Affected
| Fixed in
|
| Microsoft.NET 9.0 | Affected
| Fixed in
|
| MicrosoftMicrosoft .NET Framework 3.5 | Affected
| Fixed in– |
| MicrosoftMicrosoft .NET Framework 3.5 AND 4.7.2 | Affected
| Fixed in– |
AI-suggested
An official fix is available from Microsoft for this vulnerability. Users and administrators should apply the provided patch to .NET 10.0 to remediate the issue. No alternative mitigations meeting Red Hat's criteria are currently available. Systems should be updated promptly to prevent denial of service attacks exploiting this flaw.
Description
Loop with unreachable exit condition ('infinite loop') in .NET, .NET Framework, Visual Studio allows an unauthorized attacker to deny service over a network.
References
- msrc.microsoft.com/update-guide/vulnerability/CVE-2026-33116 (opens in a new tab)
- access.redhat.com/security/cve/CVE-2026-33116 (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2457741 (opens in a new tab)
- security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-33116.json (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:13281 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:13280 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:8467 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:8470 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:8472 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:8473 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:8468 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:8475 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:13693 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:13283 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:13282 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:8471 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:8469 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:8474 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:9077 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:9080 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:9205 (opens in a new tab)