CVE intelligence

CVE-2026-57088

Vulnerability intelligence

Published Jul 14, 2026Sources checked Nov 12, 2026

7.8HIGHCVSS out of 10

What this means

Review the available evidence

CVE-2026-57088 and is rated High severity with a CVSS score of 7.8. 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: Jul 14, 2026

Install KB5099538. Install KB5099540. Install KB5099536.

Vendor-listed releases

10.0.17763.9020
10.0.20348.5386
10.0.26100.33158

CISA KEVNot listedBased on the latest collected catalog

EPSS0.3%Estimated 30-day exploitation probability

Ransomware useNot markedCISA KEV ransomware field

Threat actors0Source-linked actor relationships

Overview

What is CVE-2026-57088?

Improper access control in Extensible Storage Engine (ESENT) allows an authorized attacker to elevate privileges locally.

Source: NVD