CVE-2026-26171

HIGHCVSS 7.5/10EPSS 0.90%

Last modified

CVE-2026-26171 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Uncontrolled resource consumption in .NET allows an unauthorized attacker to deny service over a network.. EPSS estimates a 0.90% chance of exploitation in the next 30 days.

Description

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

Metrics

CVSS 3.1
7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability
0.90%

55.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
Microsoft.Net>= 10.0.0, < 10.0.6
Microsoft.Net>= 8.0.0, < 8.0.26
Microsoft.Net>= 9.0.0, < 9.0.15
MicrosoftPowershell>= 7.5, < 7.5.6
MicrosoftPowershell>= 7.6, < 7.6.1

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2026-26171?
Uncontrolled resource consumption in .NET allows an unauthorized attacker to deny service over a network.
How severe is CVE-2026-26171?
CVE-2026-26171 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.90% probability of exploitation in the next 30 days.
How do I fix CVE-2026-26171?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-26171?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST