Quick answers
- Is CVE-2026-85893 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-85893 being exploited in the wild.
- How severe is CVE-2026-85893?
- High severity, with a CVSS score of 8.8, published 15 September 2026.
- Which products and versions are affected?
- Microsoft Edge <UNKNOWN>.
- Is there a fix for CVE-2026-85893?
- 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-2026-85893 attacked?
- It is attacked over the network.
- Am I affected by CVE-2026-85893?
- 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
A use-after-free vulnerability exists in the Chromium rendering engine used by Microsoft Edge. The vulnerability occurs when the browser attempts to access memory that has already been freed, potentially leading to memory corruption. An attacker can exploit this flaw remotely by crafting a malicious web page or file; when a user interacts with it, the attacker gains the ability to execute arbitrary code and escalate privileges. The vulnerability is reachable over the network and does not require prior authentication.
Affected products
- Microsoft Edge <UNKNOWN>
Timeline
- 2026-09-15: disclosed