Patch Forecast
Yellow warning
Plan into this sprint.

CVE-2026-109746

Mitigation bypass in the DOM: Security component

Risk score
53/100
CVSS
7.3 v3.1
Exploit chance (30 days)
0.3%
Published
13 Oct 2026

Open in the live forecast Today's forecast

What to know

What it is
Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 158 and Thunderbird 158.
Affected
See advisory
Fix
Apply the vendor's security update; see the linked advisory.
Exploitation
No known exploitation

Why it is Yellow

  • CVSS 7.3 high
  • Remotely exploitable without logging in

References

Original description

Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 158 and Thunderbird 158.

Last activity 13 Oct 2026. Patch Forecast updates every hour.