Dashboard / CVE-2026-117997

CVE-2026-117997

CRITICAL
INFO Priority: 0.02 BB Relevance: 69/100
Published: 2026-10-27 Modified: 2026-11-05 First seen: 2026-10-29 Status: active

Attack Surface

Network Low Complexity No Auth Conf. Impact Integ. Impact Scope Change

CVSS Vector Breakdown

AV: Network
AC: Low
PR: None
UI: Required
S: Changed
C: High
I: High
A: High

Description

Sandbox escape due to use-after-free in the Widget component. This vulnerability was fixed in Firefox 159, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6.

Weakness Classification (1)

References & Advisories (5)

Bug Bounty Relevance

69 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity

CVSS Score

9.6 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

EPSS — Exploitation Probability

0.18%
Raw Score 0.001810
Percentile 7.8%
Date 2026-11-05

EPSS Trend

2026-11-05
0.00181
2026-11-04
0.00181
2026-11-03
0.00181
2026-11-02
0.00181
2026-11-01
0.00181
2026-10-31
0.00181
2026-10-30
0.00181
2026-10-29
0.00181
2026-10-28
0.00181

Intelligence Sources

mitre ref →
nvd ref →

External Links