CVE-2026-26171GHSA-W3X6-4M5H-CXQFBIT-DOTNET-2026-26171BIT-DOTNET-SDK-2026-26171BIT-POWERSHELL-2026-26171
.NET Denial of Service Vulnerability
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Fix
- Fixed in 10.0.6, 8.0.26, 9.0.15, 7.5.6, 7.6.1, and 1 more
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
CISA's decision points: whether it is exploited, whether attacks can be automated, and how much control an attacker gets. Assessed (SSVC 2.0.3).What do these mean? →
- Exploitation: none
- Automatable: yes
- Technical impact: partial
Summary
Uncontrolled resource consumption in .NET allows an unauthorized attacker to deny service over a network.
Timeline
- CVE published
- CISA SSVC assessment
Exploitation: none · Automatable: yes · Technical impact: partial
- Record last updated
Affected versions
- Microsoft .NET 10.0
From 10.0.0 · fixed in 10.0.6
- Microsoft .NET 8.0
From 8.0.0 · fixed in 8.0.26
- Microsoft .NET 9.0
From 9.0.0 · fixed in 9.0.15
- Microsoft PowerShell 7.5
From 7.5.0 · fixed in 7.5.6
- Microsoft PowerShell 7.6
From 7.6.0 · fixed in 7.6.1
- System.Security.Cryptography.XmlNuGet
From 10.0.0 · fixed in 10.0.6
- System.Security.Cryptography.XmlNuGet
From 9.0.0 · fixed in 9.0.15
- System.Security.Cryptography.XmlNuGet
From 8.0.0 · fixed in 8.0.3