Quick answers
- Is CVE-2026-62904 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-62904 being exploited in the wild.
- How severe is CVE-2026-62904?
- Medium severity, with a CVSS score of 5.4, published 28 August 2026.
- Which products and versions are affected?
- Microsoft Edge <UNKNOWN>.
- Is there a fix for CVE-2026-62904?
- No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
- How is CVE-2026-62904 attacked?
- It is attacked over the network, in a web application.
- Am I affected by CVE-2026-62904?
- Check whether you run Microsoft Edge or Microsoft Edge Chromium at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Technical details
This vulnerability is an incorrect authorization flaw in Microsoft Edge (Chromium-based) that enables information disclosure over a network. An unauthenticated attacker can exploit this by sending crafted network requests to bypass authorization checks and retrieve sensitive information. The attack vector is network-based and does not require user interaction or prior authentication. A patch is expected from Microsoft as part of their security updates.
Affected products
- Microsoft Edge <UNKNOWN>
Timeline
- 2026-08-28: disclosed