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Mallory
Medium

UI Spoofing in Google Chrome Downloads

IdentifiersCVE-2026-2323CWE-451· User Interface (UI)…

CVE-2026-2323 is a low-severity inappropriate implementation flaw in the Downloads component of Google Chrome affecting versions prior to 145.0.7632.45. According to the provided content, a remote attacker can trigger the issue using a crafted HTML page to perform UI spoofing. The vulnerability appears to stem from incorrect handling or presentation of download-related user interface elements, allowing attacker-controlled web content to make browser UI appear misleading or deceptive to the user.

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ANALYST BRIEF

Impact, mitigation & remediation

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Impact

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

Successful exploitation allows a remote attacker to spoof browser UI elements in the Downloads context via a crafted HTML page. The primary impact is user deception: an attacker may mislead a victim about the origin, state, or trustworthiness of download-related prompts or interface elements, potentially facilitating social engineering, unsafe user actions, or reduced trust boundaries within the browser UI. The provided content classifies Chromium security severity as Low.

Mitigation

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

If immediate patching is not possible, reduce exposure to untrusted or unknown web pages and limit user interaction with download-related UI prompts originating from websites. In managed environments, use enterprise controls to restrict access to untrusted sites and enforce safe browsing policies.

Remediation

Patch, then assume compromise.

Upgrade Google Chrome to version 145.0.7632.45 or later. The provided advisory specifically recommends updating to Chrome 145.0.7632.45 on Linux and 145.0.7632.45/46 on Windows and macOS, 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

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VendorProductType
GoogleChromeapplication

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What this page doesn’t show

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Exposure mapping

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Threat actor evidence

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Associated malware

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Detection signatures

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Vendor-by-vendor mapping

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Social activity3

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