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High

Arbitrary Code Execution in Google Chrome UI on Linux and ChromeOS

IdentifiersCVE-2026-7992CWE-20· Improper Input Validation

CVE-2026-7992 is an insufficient validation of untrusted input vulnerability in the Google Chrome UI affecting Linux and ChromeOS builds prior to 148.0.7778.96. According to the provided description, a remote attacker can deliver a crafted HTML page and, by convincing a user to perform specific UI gestures, trigger arbitrary code execution. The issue is described as residing in UI input handling/validation rather than a renderer-only bug, but the specific vulnerable function or code path is not provided in the available information.

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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 can result in arbitrary code execution on the target system in the context available to the affected Chrome process. The provided CVSS v3.1 vector (AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H) indicates high impact to confidentiality, integrity, and availability, meaning an attacker may be able to run code, access or alter data, and disrupt system or browser operation after successful exploitation.

Mitigation

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

Where immediate patching is not possible, reduce exposure by limiting use of untrusted websites and HTML content, restricting user interaction with attacker-controlled pages, and applying enterprise browser hardening controls that reduce access to untrusted content. Because exploitation requires convincing a user to perform specific UI gestures, user-awareness measures and URL/content filtering may reduce risk, but these are compensating controls only and do not replace upgrading to a fixed version.

Remediation

Patch, then assume compromise.

Upgrade Google Chrome on Linux and ChromeOS to version 148.0.7778.96 or later. The provided content identifies versions prior to 148.0.7778.96 as affected; applying the vendor-fixed release is the primary remediation.
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

Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.

ACTIVITY FEED

Recent activity

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

5 SOURCESView more in app
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.
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Exposure mapping

Query your assets running an affected version, and investigate the blast radius.

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 activity4

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

EXTERNAL REFERENCES
MITRE CVE
cve.org · CVE-2026-7992
NVD
nvd.nist.gov/vuln/detail/CVE-2026-7992
MITRE CWE · CWE-20
Improper Input Validation
Vendor Advisory
chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop.html
Issue Tracking
issues.chromium.org/issues/499067529