CVE-2026-88648

CVE Enrichment

EPSS: 0.12%
EPSS Percentile: 1.56%
CISA KEV: Not listed

Description

Incomplete X.509 implementation in GnuTLS v3.8.13 allows attackers controlling a subordinate Certificate Authority to bypass cross-domain PKI restrictions and issue unauthorized certificates.

Technical Details

CNA / NVD Source: cve@mitre.org
Published: 09-Oct-2026 02:20
Last Modified: 09-Oct-2026 04:33
EPSS Date: 2026-10-13

References

Last enrichment sync: 14-Oct-2026 20:51
Sources: NVD · FIRST EPSS · CISA KEV
Latest successful provider update; providers refresh independently.

Reported Context (1)

CVE-2026-88648 Microsoft October 2026 Updates Fix 1,411 Flaws, Including Three Zero-Days

CVE (1235)

People (2)

MITRE ATT&CK (1)

Vendors (14)

Products (87)

Tools (1)

Note: Related entities, including threat actors, malware, CVEs, MITRE ATT&CK techniques, vendors, products, tools, countries, and industries, are shown when they appear in the same reporting. Their presence does not necessarily mean they were targeted, compromised, vulnerable, responsible for the activity, or directly involved in the incident.