CVE-2026-26171

high

Published 2026-04-16 · Modified 2026-06-01

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CVSS v3

7.5

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

CVSS v4 NEW

—

not yet in upstream

VIR risk

7.5

Description

Important: .NET 10.0 security update

Predictions

Exploit likelihood

83%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

OS impact

Linux kernel Fixed 1 release

Version	Status	Fixed in
-	Not affected	—

macOS Fixed 1 release

Version	Status	Fixed in
-	Not affected	—

Red Hat Fixed 2 releases

Version	Status	Fixed in
9	Fixed	—
8	Fixed	—

Rocky Linux Fixed 2 releases

Version	Status	Fixed in
9	Fixed	—
8	Fixed	—

Package impact

Ecosystem	Package	Vulnerable	Fixed
NuGet	System.Security.Cryptography.Xml	`>=10.0.0,<10.0.6`	`10.0.6`
NuGet	System.Security.Cryptography.Xml	`>=9.0.0,<9.0.15`	`9.0.15`
NuGet	System.Security.Cryptography.Xml	`>=8.0.0,<8.0.3`	`8.0.3`

Application impact

Vendor	Product	Versions	Fixed
microsoft	.net	`{"startIncluding":"10.0.0","endExcluding":"10.0.6"}`	`10.0.6`
microsoft	powershell	`{"startIncluding":"7.5","endExcluding":"7.5.6"}`	`7.5.6`

References

CWEs

CWE-400 CWE-611

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.