CVE-2026-26171 — HIGH (7.5)

Q: What is CVE-2026-26171?

CVE-2026-26171 is a vulnerability with a CVSS score of 7.5 (HIGH). Uncontrolled resource consumption in .NET allows an unauthorized attacker to deny service over a network.

Q: How severe is CVE-2026-26171?

CVE-2026-26171 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-26171?

Check the references section above for vendor advisories and patch information. Affected products include: Microsoft .Net, Apple Macos, Linux Linux Kernel, Microsoft Windows, Microsoft Powershell.

Vulnerability Description

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

CVSS Score

7.5

HIGH

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Microsoft	.Net	>= 10.0.0, < 10.0.6
Apple	Macos	-
Linux	Linux Kernel	-
Microsoft	Windows	-
Microsoft	Powershell	>= 7.5, < 7.5.6

Related Weaknesses (CWE)

CWE-611 CWE-400

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26171Vendor Advisory

FAQ

What is CVE-2026-26171?

CVE-2026-26171 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-26171?

Check the references section above for vendor advisories and patch information. Affected products include: Microsoft .Net, Apple Macos, Linux Linux Kernel, Microsoft Windows, Microsoft Powershell.