CVE-2026-8926: password leak with netrc and user in URL

criticalCVSS 9.1CVE-2026-8926

CSIRTS triage

Information disclosure

What: This vulnerability leads to a password leak with netrc and user in URL.
Who is affected: Users of the affected systems that utilize netrc are at risk.
Urgency: Remediation is urgent due to the critical severity and potential for exploitation.
Action: Implement the patch for CVE-2026-8926 immediately.

AI-assisted analysis generated from the source advisory — verify against the original.

Details

Source: Microsoft Security Response Center (INTL · vendor-psirt · site)
Severity: critical — CVSS 9.1
Published: 2026-07-02
Exploitation: Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-8926

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-2026-89260.61% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 45% of all scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-8926	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

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

medium[UPDATE] [medium] cURL: Multiple vulnerabilitiescert-bund
criticalCVE-2026-8926: When asking curl to use a `.netrc` file to find credentials and at the same time specifying a U…nvd
unknownMultiple vulnerabilities in cURL and libcurl (June 24, 2026)cert-fr-avis

Recent advisories for password leak with

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-q62h-354g-5r85: Steeltoe's env sanitizer misses connection strings — leaks embedded DB passwordsghsa · 2026-07-02
unknownCVE-2026-9079: stale proxy password leakmsrc · 2026-07-02
mediumCVE-2026-14050: Insufficient policy enforcement in Passwords in Google Chrome prior to 150.0.7871.47 allowed a…nvd · 2026-06-30
mediumCVE-2026-14019: Inappropriate implementation in Passwords in Google Chrome prior to 150.0.7871.47 allowed a re…nvd · 2026-06-30
mediumCVE-2026-13937: Insufficient policy enforcement in Passwords in Google Chrome prior to 150.0.7871.47 allowed a…nvd · 2026-06-30