CVE-2026-57988: Relative path traversal in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.

highCVSS 7.1CVE-2026-57988

Relative path traversal in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.

Details

Source: NVD Recent CVEs (US · database · site)
Severity: high — CVSS 7.1
Published: 2026-07-03
Last updated: 2026-07-07
Exploitation: Not in CISA KEV at last sync

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-57988

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-2026-579880.53% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 41% of all scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-57988	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

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

high[NEW] [high] Microsoft Edge: Multiple vulnerabilitiescert-bund
unknownMultiple vulnerabilities in Microsoft Edge (July 7, 2026)cert-fr-avis
highCVE-2026-57988: Microsoft Edge (Chromium-based) Remote Code Execution Vulnerabilitymsrc

Recent advisories for Relative path traversal

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-2026-8650: Relative path traversal vulnerability in Progress MOVEit Transfer (Admin Settings module). This…nvd · 2026-07-08
unknownCVE-2026-57871: Relative path traversal vulnerability in MicroRealEstate file upload functionality allows atta…nvd · 2026-07-07
mediumCVE-2026-58522: Relative path traversal in Microsoft Edge for Android allows an unauthorized attacker to discl…nvd · 2026-07-03
highCVE-2026-44941: A relative path traversal in the "keyhint" option in repomd.xml parsing of libzypp before 17.3…nvd · 2026-07-02
lowCVE-2026-8387: A vulnerability in allegroai/clearml versions up to and including 1.16.5 allows for relative pa…nvd · 2026-07-01
highCVE-2026-53906: MCO is vulnerable to Path Disclosure and Path Traversal in file handling functionality related…nvd · 2026-07-01