CVE-2026-83831
Microsoft: double free
- Risk score
- 63/100
- CVSS
- 8.8 v3.1
- Published
- 16 Oct 2026
Open in the live forecast Today's forecast
What to know
- What it is
- Double free in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.
- Affected
- Microsoft
- Fix
- Apply the vendor's security update; see the linked advisory.
- Exploitation
- No known exploitation
Why it is Amber
- CVSS 8.8 high
- Remotely exploitable without logging in
- Named in a government or vendor bulletin
Government and vendor bulletins
References
Original description
Double free in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.
Last activity 27 Oct 2026. Patch Forecast updates every hour.