CVE-2025-21399

概要

参考情報

• msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21399 · Vendor Advisory
• vicarius.io/vsociety/posts/elevation-of-privilege-vulnerability-in-microsoft-edge-chromium-based-detection-script · Exploit
• vicarius.io/vsociety/posts/elevation-of-privilege-vulnerability-in-microsoft-edge-chromium-based-mitigation-script · Exploit

edge update のその他の脆弱性

• CVE-2025-47181高 8.8Improper link resolution before file access ('link following') in Microsoft Edge (Chromium-based) allows an authorized attacker to elevate p…
• CVE-2025-29795高 7.8Improper link resolution before file access ('link following') in Microsoft Edge (Chromium-based) allows an authorized attacker to elevate p…