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CVE-2026-96958

.NET Denial of Service Vulnerability

HIGH
7.5
CVSS Score
Published: October 13, 2026 at 07:01 PM UTC
Updated: October 31, 2026 at 06:11 PM UTC
3 products affected across 1 vendor.NET Framework.netSystem.security.cryptography.xml· also runs on 17 platforms

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Severity
HIGH7.5
Exploit prediction
EPSS 1%
SSVC
No known exploit

Description

Inefficient algorithmic complexity in .NET allows an unauthorized attacker to deny service over a network.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Runs on — not affected

The affected product only carries this flaw when running on these platforms. The platforms themselves are not vulnerable.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

Vendor AdvisoryPatch
Source: cverecord
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-96958

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGHmicrosoft
Vector?

Quick Info

StatusANALYZED
CWE
CWE-407

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