Microsoft System.security.cryptography.xml vulnerabilities

1 CVE affecting Microsoft System.security.cryptography.xml, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2026-96222, published 2026-10-13.

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Known exploited (CISA KEV) first, then by EPSS exploit probability.

• CVE-2026-96222, published 2026-10-13. High severity, CVSS 7.4. EPSS: 0.6% chance of exploitation in the next 30 days. Improper certificate validation in Active Directory Federation Services (AD FS) allows an unauthorized attacker to perform spoofing over a network.