CVE-2026-50328: Uncaught exception in Windows Server Update Service allows an unauthorized attacker to perform tampering over a network.

highCVSS 7.5CVE-2026-50328

Uncaught exception in Windows Server Update Service allows an unauthorized attacker to perform tampering over a network.

Details

Source: NVD Recent CVEs (US · database · site)
Severity: high — CVSS 7.5
Published: 2026-07-14
Last updated: 2026-07-20
Exploitation: Not in CISA KEV at last sync

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-50328

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-2026-503281.2% 30-day exploitation probability. Patch within normal cadence, watch for KEV listing. Riskier than 65% of all scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-50328	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

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

critical[NEW] [critical] Microsoft Windows products: Multiple vulnerabilitiescert-bund
unknownexploitedNCSC-2026-0231 [1.00] [M/H] Vulnerabilities fixed in Microsoft Windowsncsc-nl
highCVE-2026-50328: Windows Server Update Service (WSUS) Tampering Vulnerabilitymsrc

Recent advisories for Uncaught exception in

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.

highGHSA-xmf8-cvqr-rfgj: Auth.js: getToken() throws an uncaught exception on malformed Bearer authorization header…ghsa · 2026-07-23
mediumGHSA-gvwx-54wh-qm9j: node-tar: Uncaught Exception DoS via NUL byte in PAX path/linkpath recordsghsa · 2026-07-20
unknownCVE-2025-71391: SurrealDB versions before 2.2.2 contain an uncaught exception vulnerability in the net module …nvd · 2026-07-18
mediumCVE-2024-58365: SurrealDB versions before 1.2.0 contain an uncaught exception vulnerability in the query execu…nvd · 2026-07-18
mediumCVE-2024-58364: SurrealDB versions before 1.2.1 contain an uncaught exception handling vulnerability in span r…nvd · 2026-07-18
mediumCVE-2024-58361: SurrealDB versions before 2.0.4 contain an uncaught exception handling vulnerability in the pa…nvd · 2026-07-18