CVE-2026-95305 in Chrome
Summary
by MITRE • 09/29/2026
UI misrepresentation in Chromoting in Google Chrome prior to 154.0.8037.57 allowed a remote attacker leveraging social engineering to spoof UI elements via crafted network traffic. (Chromium security severity: Low)
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Analysis
by VulDB Data Team • 09/29/2026
The vulnerability identified as a user interface misrepresentation flaw within the Chromoting component of Google Chrome prior to version 154.0.8037.57 represents a significant risk related to trust and authentication mechanisms in remote desktop sessions. This issue stems from an inability of the application to properly validate or render UI elements when receiving specific crafted network traffic, allowing for visual spoofing attacks. In the context of secure computing environments, particularly those involving remote access tools like Chromoting, maintaining the integrity of the user interface is paramount because users rely on these interfaces to verify the identity and legitimacy of their connections. When an attacker can manipulate how information is displayed, they effectively break the chain of trust that allows a user to confirm they are interacting with the intended system rather than a malicious imposter.
From a technical perspective, this flaw exploits the rendering logic within the Chromoting module, which handles video encoding and UI updates for remote sessions. By injecting specially crafted network packets, an adversary can cause the client application to display misleading information on the screen. This could involve altering window titles, hiding critical security indicators, or presenting fake login prompts that mimic legitimate system dialogs. The severity is classified as low by Chromium standards because it typically requires active user interaction and does not directly lead to code execution or privilege escalation. However, its impact is profound in scenarios where social engineering is employed, as the attacker relies on the victim's inability to distinguish between a genuine session and a spoofed one.
The operational impact of this vulnerability centers heavily on phishing and man-in-the-middle attacks facilitated through remote desktop protocols. An attacker leveraging this flaw can create a convincing facade that tricks users into entering sensitive credentials or executing malicious commands under false pretenses. For instance, an attacker might display a fake error message claiming the connection is unstable, prompting the user to click a button that actually initiates unauthorized access or data exfiltration. This type of attack bypasses traditional perimeter defenses because it operates within the application layer and exploits human psychology rather than software logic errors in memory management or input validation. Consequently, organizations using remote desktop solutions are at risk of credential theft and unauthorized system access if users cannot visually verify the authenticity of their sessions.
To mitigate this risk, immediate updates to Google Chrome version 154.0.8037.57 or later are required for all endpoints utilizing Chromoting features. Beyond patching, security teams should implement strict network segmentation policies that limit exposure to remote desktop services and enforce multi-factor authentication to reduce the value of stolen credentials resulting from successful spoofing attacks. User awareness training is also critical; employees must be educated on recognizing signs of UI manipulation, such as unexpected window behaviors or discrepancies in connection status indicators. Additionally, deploying endpoint detection and response solutions can help identify anomalous network traffic patterns associated with crafted packets designed to exploit this rendering flaw.
This vulnerability aligns with CWE-209, which describes the generation of an error message that includes sensitive information useful for attacking a software product, although in this case it extends to general UI deception rather than just error messages. It also maps closely to MITRE ATT&CK technique T1566.002, specifically Spearphishing Link or Attachment via Social Engineering, where the attacker uses deceptive interfaces to manipulate user actions. By understanding these mappings, security professionals can better contextualize the threat within broader attack frameworks and prioritize defenses that address both technical controls and human factors in social engineering scenarios.