CVE-2026-54117: Deserialization of untrusted data in SQL Server allows an authorized attacker to execute code over a network.

Details

Source

NVD Recent CVEs (US · database · site)

Severity

high — CVSS 8.8

Published

2026-07-14

Last updated

2026-07-15

Exploitation

Not in CISA KEV at last sync

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-54117

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

• Moderate exploitation riskCVE-2026-541171.3% 30-day exploitation probability. Patch within normal cadence, watch for KEV listing. Riskier than 67% of all scored CVEs.

Referenced CVEs

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

• high[NEW] [high] Microsoft SQL Server and Power BI: Multiple vulnerabilitiescert-bund
• unknownNCSC-2026-0232 [1.00] [M/H] Vulnerabilities fixed in Microsoft SQL Serverncsc-nl
• highCVE-2026-54117: Microsoft SQL Server Remote Code Execution Vulnerabilitymsrc

Recent advisories for Deserialization of untrusted

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

• criticalCVE-2026-12118: IBM webMethods Integration (on prem) 10.15, 10.11 could allow an unauthenticated remote attack…nvd · 2026-07-30
• highCVE-2026-1360: The BuddyPress plugin for WordPress is vulnerable to Deserialization of Untrusted Data in all v…nvd · 2026-07-30
• highCVE-2026-14974: IBM WebSphere Application Server 8.5, and 9.0 traditional could allow a remote attacker to exe…nvd · 2026-07-28
• criticalCVE-2026-66713: Deserialization of Untrusted Data (CWE-502) in the Tribes-based clustering component in Apache…nvd · 2026-07-28
• criticalCVE-2026-11756: A Deserialization of Untrusted Data vulnerability affecting Station Launcher App in 3DEXPERIEN…nvd · 2026-07-28
• highCVE-2026-15962: The Fluent Forms Pro Add On Pack plugin for WordPress is vulnerable to PHP Object Injection in…nvd · 2026-07-26

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