CVE-2026-65674

CVE Enrichment

CVSS: 8.8 HIGH
CISA KEV: Not listed

Description

Deserialization of untrusted data in SQL Server allows an authorized attacker to execute code over a network.

Technical Details

CVSS Version: 3.1
CNA / NVD Source: secure@microsoft.com
Published: 14-Oct-2026 04:17
Last Modified: 14-Oct-2026 05:17
CWE: CWE-502

CVSS Vector


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

References

secure@microsoft.com

Last enrichment sync: 14-Oct-2026 08:15
Sources: NVD · FIRST EPSS · CISA KEV
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Reported Context (2)

CVE-2026-65674 Microsoft October 2026 Updates Fix 1,411 Flaws, Including Three Zero-Days
He also noted CVE-2026-65674 (CVSS 8.8), which is a Microsoft SQL Server RCE bug, as having "the best exploitability rating of any SQL Server bug this month. It’s a deserialization of untrusted data. An authenticated Microsoft’s October 2026 Patch Tuesday Fixes 1,413 CVEs, Including Two Zero-Days

CVE (1235)

People (6)

MITRE ATT&CK (1)

Vendors (14)

Products (96)

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.