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Mallory
High

Sandbox escape use-after-free in Skia in Google Chrome

IdentifiersCVE-2026-9893CWE-416· Use After Free

CVE-2026-9893 is a use-after-free vulnerability in the Skia graphics component of Google Chrome. According to the provided content, affected versions are Chrome prior to 148.0.7778.216. The flaw can be triggered via a crafted HTML page and is notable because it is exploitable by a remote attacker who has already compromised the renderer process, allowing a potential escape from Chrome's sandbox. Google/Chromium rated the issue Critical.

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ANALYST BRIEF

Impact, mitigation & remediation

What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.

Impact

What an attacker gets, and what they’ve been doing with it.

Successful exploitation could allow an attacker who already achieved code execution or control within the renderer process to break out of the browser sandbox. This could enable execution in a more privileged browser context and facilitate further compromise of the host, including follow-on code execution or privilege escalation outside the renderer sandbox boundary.

Mitigation

If you can’t patch tonight, do this now.

No specific workaround is provided in the supplied content. The practical mitigation is to deploy the vendor-fixed Chrome/Chromium versions as soon as available. Standard hardening measures may reduce exposure, but the provided advisories do not list a temporary mitigation.

Remediation

Patch, then assume compromise.

Upgrade Google Chrome to version 148.0.7778.216 or later. For Debian Chromium, upgrade to the fixed package versions referenced in the advisory: 148.0.7778.215-1~deb12u1 on oldstable (bookworm) or 148.0.7778.215-1~deb13u1 on stable (trixie), as applicable.
PUBLIC EXPLOITS

Exploits

No public exploits tracked yet. Mallory keeps watching.

VALID 0 / 0 TOTALView more in app

No public exploit code observed for this vulnerability.

EXPOSURE SURFACE

Affected products & vendors

Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.

VendorProductType
GoogleChromeapplication

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ACTIVITY FEED

Recent activity

1 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.

What this page doesn’t show

The version that knows your environment.

This page is what’s public. Mallory adds the parts that aren’t: which of your assets are affected, which adversaries are exploiting it right now, which detections to deploy, and what to do tonight.
Exposure mapping

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Threat actor evidence

Every observed campaign linking this CVE to a named adversary.

Associated malware

Malware families riding this exploit, with evidence and IOCs.

Detection signatures

YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.

Vendor-by-vendor mapping

Cross-references every affected SKU, including bundled OEM variants.

Social activity

Community discussion across Reddit, Mastodon, and other social sources.