CVE intelligence

CVE-2026-88111

Vulnerability intelligence

Published Nov 10, 2026Sources checked Nov 10, 2026

7.5HIGHCVSS out of 10

What this means

Review the available evidence

CVE-2026-88111 and is rated High severity with a CVSS score of 7.5. It is not in the current CISA KEV record we collected. That does not prove exploitation has not occurred.

What to do next

Remediation and response

Microsoft Security Response Center guidance

Vendor revision: Nov 10, 2026

Install KB5129299. Install KB5129300.

Vendor-listed releases

17.0.5045.3
16.0.4315.2

CISA KEVNot listedBased on the latest collected catalog

EPSSUnavailableNo current score collected

Ransomware useNot markedCISA KEV ransomware field

Threat actors0Source-linked actor relationships

Overview

What is CVE-2026-88111?

Heap-based buffer overflow in SQL Server allows an authorized attacker to execute code over a network.

Source: NVD