CVE-2026-56171: Exposure of private personal information to an unauthorized actor in Windows RDP allows an unauthorized attacker to disclose information over a network.

highCVSS 7.1CVE-2026-56171

Exposure of private personal information to an unauthorized actor in Windows RDP allows an unauthorized attacker to disclose information over a network.

Details

Source: NVD Recent CVEs (US · database · site)
Severity: high — CVSS 7.1
Published: 2026-07-17
Last updated: 2026-07-22
Exploitation: Not in CISA KEV at last sync

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-56171

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.

Low exploitation riskCVE-2026-561710.48% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 39% of all scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-56171	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

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

medium[NEW] [medium] Microsoft Windows: Multiple Vulnerabilitiescert-bund
unknownMultiple vulnerabilities in Microsoft Windows (July 17, 2026)cert-fr-avis
unknownMultiple vulnerabilities in Microsoft products (July 17, 2026)cert-fr-avis
highCVE-2026-56171: Windows Remote Desktop Protocol (RDP) Information Disclosure Vulnerabilitymsrc

Recent advisories for Exposure of private

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.

mediumCVE-2026-65599: n8n versions before 1.123.64, 2.29.8, and 2.30.1 contain a credential exposure vulnerability: …nvd · 2026-07-22
mediumCVE-2026-50657: Exposure of private personal information to an unauthorized actor in Microsoft Defender allows…nvd · 2026-07-14
highCVE-2026-58297: Exposure of private personal information to an unauthorized actor in Microsoft Edge for Androi…nvd · 2026-07-03
highCVE-2026-58296: Exposure of private personal information to an unauthorized actor in Microsoft Edge for Androi…nvd · 2026-07-03
mediumGHSA-w754-5646-xq9j: Apache Answer has an Exposure of Private Personal Information to an Unauthorized Actor vu…ghsa · 2026-06-09