Skip to main content
Press slash or control plus K to focus the search. Use the arrow keys to navigate results and press enter to open a threat.
Reconnecting to live updates…
EPSS 0.3%top 78%

CVE-2026-16371: Vulnerability in Mozilla Firefox

0
High
Published: 07/21/2026 (07/21/2026, 12:37:47 UTC)
Source: GCVE Database
Vendor/Project: Mozilla
Product: Firefox

Description

Privilege escalation in the DOM: Navigation component. This vulnerability was fixed in Firefox 153 and Firefox ESR 140.13.

CVSS v3.1

Score 8.8high

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected software

Affected versions
<153<140.13

Technical Details

Gcve Source
db.gcve.eu
Osv Id
GHSA-8rfc-phx9-6vc2
Osv Schema Version
1.4.0
Aliases
["CVE-2026-16371"]
Ecosystems
[]
Database Specific Severity
null
Cvss Version
null

Threat ID: 6a5fd1591010f89cc21c9d21

Added to database: 07/21/2026, 20:06:49 UTC

Last enriched: 07/22/2026, 17:40:06 UTC

Last updated: 09/04/2026, 10:52:07 UTC

Views: 61

Community Reviews

0 reviews

Crowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.

Sort by
Loading community insights…

Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.

Need more coverage?

Upgrade to Pro Console for AI refresh and higher limits.

For incident response and remediation, OffSeq services can help resolve threats faster.

Latest Threats

Breach by OffSeqOFFSEQFRIENDS — 25% OFF

Check if your credentials are on the dark web

Instant breach scanning across billions of leaked records. Free tier available.

Scan now
OffSeq TrainingCredly Certified

Lead Pen Test Professional

Technical5-day eLearningPECB Accredited
View courses