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cve-2026-5290

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CVE-2026-5290 is a use-after-free vulnerability in the Compositing component of Chromium, affecting Google Chrome prior to version 146.0.7680.178. The flaw allows a remote attacker who has already compromised the renderer process to potentially achieve a sandbox escape via a crafted HTML page. Microsoft has listed this vulnerability in its Security Update Guide, signaling that Chromium-based Edge administrators should map the upstream fix into their own patching cadence. Discussions on WindowsForum.com focus on the technical details of the bug, its impact on browser security, and the importance of updating to the patched version to mitigate the risk of sandbox escape attacks.
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    CVE-2026-5290 Use-After-Free in Chrome Compositing: Patch Below 146.0.7680.178

    Chromium’s CVE-2026-5290 is another reminder that modern browser security is often won or lost in the rendering pipeline, not just the obvious surface areas like tabs, downloads, or extensions. The issue is described as a use-after-free in Compositing that affects Google Chrome prior to...
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    • browser compositing chrome security cve-2026-5290 microsoft edge patching
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    • Forum: Security Alerts
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