{"id":"CVE-2026-55945","title":"Concurrent execution using shared resource with improper synchronization ('race condition') in Microsoft Edge (Chromium-based) allows an authorized attacker to disclose information locally.","summary":"Concurrent execution using shared resource with improper synchronization ('race condition') in Microsoft Edge (Chromium-based) allows an authorized attacker to disclose information locally.","severity":"medium","cvss":4.2,"cvssVector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:N","cwe":["CWE-362"],"published":"2026-07-03","updated":"2026-07-03","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-55945","references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-55945","label":"secure@microsoft.com"}],"tags":["nvd","cve.org"],"epss":0.00193,"epssPercentile":0.09212,"ingestedAt":"2026-07-04T16:56:19.081Z","vendor":"Microsoft","product":"Microsoft Edge (Chromium-based)","affected":["edge_chromium-based >= 1.0.0.0 < 150.0.4078.48"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-07-06T12:37:16.525115Z"},"slug":"CVE-2026-55945","body":"## Overview\n\nConcurrent execution using shared resource with improper synchronization ('race condition') in Microsoft Edge (Chromium-based) allows an authorized attacker to disclose information locally.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":23,"depthScoreParts":{"impact":23.1,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}