CVE-2026-15719

Site isolation in the DOM: Navigation component

Published: Jul 14, 2026Updated: Jul 14, 2026 Sources: CVE List NVDNVD-CWE-noinfo

5.4MEDIUM

Description

We are aware that exploit code for this is public however we are not aware of any attacks in the wild abusing this flaw. This vulnerability was fixed in Firefox 152.0.6.

No summary for this CVE yet.

CVSS Vector Breakdown

Exploitability

AV:NAttack Vector

Network

AC:LAttack Complexity

Low

PR:NPrivileges Required

None

UI:RUser Interaction

Required

Scope

S:UScope

Unchanged

Impact

C:LConfidentiality

Low

I:LIntegrity

Low

A:NAvailability

None

Open in CVSS calculator →

Weaknesses

NVD-CWE-noinfo

Affected Products

Mozilla

oss-project·USaka mozilla corp.

FirefoxOn-premDesktop App

Consumer Software / browser

and 1 more affected products View all →

Exploitability

Official Patch Available

Is your org exposed to CVE-2026-15719?We can run the check for you — a free external exposure review, no install. Check my exposure

References

https://bugzilla.mozilla.org/show_bug.cgi?id=2043820

bugzilla.mozilla.org

https://www.mozilla.org/security/advisories/mfsa2026-67/

mozilla.org

News mentions

Unlock Complete Vulnerability Intelligence

Get the full picture for CVE-2026-15719 and every CVE in our database. Create a free account — no credit card required.

Create Free Account

Plain-language analysis

Impact assessment and exploitation scenario in plain English

Attack graph visualization

Interactive attack path and kill chain mapping

Exploit details & PoC links

ExploitDB, Metasploit, GitHub PoCs with direct links

Nuclei scanner templates

Ready-to-use vulnerability scanner templates

Full remediation guide

Patch instructions, workarounds, and compliance impact

Interactive AI chat

Ask questions about this vulnerability in natural language

Related vulnerabilities

Semantically similar CVEs and attack patterns

REST API & MCP access

Integrate vulnerability data into your workflows