Dashboard / CVE-2026-16365

CVE-2026-16365

HIGH
MEDIUM Priority: 0.02 BB Relevance: 68/100
Published: 2026-07-21 Modified: 2026-10-24 First seen: 2026-10-29 Status: active

Attack Surface

Network Low Complexity No Auth Conf. Impact Integ. Impact

CVSS Vector Breakdown

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

Description

Privilege escalation in the DOM: Workers component. This vulnerability was fixed in Firefox 153, Thunderbird 153, Firefox ESR 140.15, and Thunderbird 140.15.

Weakness Classification (2)

Affected Software (2)

VendorProductVersion
mozilla firefox < 153.0.0
mozilla thunderbird < 153.0

References & Advisories (5)

Bug Bounty Relevance

68 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity

CVSS Score

8.8 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS — Exploitation Probability

0.28%
Raw Score 0.002780
Percentile 20.2%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00278
2026-10-28
0.00278

Intelligence Sources

nvd ref →

External Links