CVE-2026-15719

Site isolation issue in the DOM: Navigation component

State
Published
Severity
5.4 Medium
Published
Jul 14, 2026
Updated
Jul 22, 2026
Reserved
Jul 14, 2026

Read the record on cve.org

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, Firefox ESR 115.38, Firefox ESR 140.13, and Thunderbird 140.13.

Scores

CVSSScoreVectorSource
3.15.4 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:NCISA-ADP

Weaknesses

The record names no weakness.

Affected Products

ProductVersions
FirefoxMozilla
  • 115.38 through 115.*Not affected
  • 140.13 through 140.*Not affected
  • 152.0.6 and laterNot affected
ThunderbirdMozilla
  • 140.13 and laterNot affected

References

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