PULSE
LIVE21signals / 24h
ES
FEED
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CVE WatchJul 21, 2026

CVE-2026-16358

Site isolation issue in the Graphics: WebRender component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, and Firefox ESR

CVSS

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No CVSS

EPSS

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KEV

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Exploit Today

0

0-100

Published: Jul 21, 2026 · Last modified: Jul 21, 2026

EPSS · 30d

Not enough EPSS history yet.

Technical description

Site isolation issue in the Graphics: WebRender component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, and Firefox ESR 140.13.

Official references
Related CVEs

No related CVEs by CWE or product.