CVE-2026-6762

MEDIUM
MEDIUM Priority: 0.01 BB Relevance: 63/100
Published: 2026-04-21 Modified: 2026-10-26 First seen: 2026-10-29 Status: active

Attack Surface

Network Low Complexity No Auth

CVSS Vector Breakdown

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

Description

Spoofing issue in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 150, Firefox ESR 115.35, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.

Weakness Classification (1)

Affected Software (3)

VendorProductVersion
mozilla firefox < 140.10.0
mozilla firefox < 150.0
mozilla thunderbird 140.0 – 140.10.0

Bug Bounty Relevance

63 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity

CVSS Score

6.3 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L

EPSS — Exploitation Probability

0.16%
Raw Score 0.001570
Percentile 4.8%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00157
2026-10-28
0.00157

Intelligence Sources

nvd ref →