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March 2026 Patch Tuesday: Google Fixes High-Risk Gemini AI Vulnerability; Microsoft Enhances Copilot Security

Google addresses a High-risk AI vulnerability in Gemini linked to Chrome, while Microsoft boosts Copilot security with new data protection controls.

As artificial intelligence tools become increasingly integral to software development, the security of these tools has come under scrutiny. Developers and analysts are leveraging AI to streamline coding, performance testing, and security evaluations, while also embedding AI features directly into products. However, recent reports indicate these AI systems are not immune to vulnerabilities, echoing issues seen in traditional software code.

For instance, a vulnerability identified as CVE-2026-0628, linked to Google’s Gemini AI in the Chrome browser, has raised alarms. The elevation of privilege flaw, rated as High with a CVSS score of 8.8, was detailed by Palo Alto Networks’ security research team. They noted that this vulnerability could enable malicious browser extensions, equipped with basic permissions, to hijack the Gemini Live panel within Chrome, posing significant security risks for users.

Concerns extend beyond vulnerabilities in established tools. There has been a surge in the download of purported ‘AI’ extensions, which may appear to offer useful functionalities but could instead be harvesting sensitive data from users’ systems. Many of these extensions are surfacing in popular app stores, taking advantage of the growing demand for AI capabilities while potentially compromising user security.

In a positive development within the AI landscape, Microsoft is enhancing data protections for its Microsoft 365 Copilot AI assistant. The company has responded to customer feedback regarding instances where Copilot included confidential information in its outputs. New controls will allow organizations to apply Office file data loss prevention (DLP) measures to restrict Copilot’s access to sensitive files stored on OneDrive and SharePoint. However, DLP settings will not extend to files saved locally outside these platforms, emphasizing the need for users to manage DLP settings proactively if they wish to limit Copilot’s access to their data.

February saw Microsoft provide a limited number of patches after a busy January filled with out-of-band updates addressing various performance and security concerns. The sole update on March 2, KB 5082314, targeted an issue affecting certificate renewal for Windows Hello for Business in certain Active Directory Federation Services (ADFS) deployments on Windows Server 2022. This patch is cumulative, including earlier updates, but is relevant only for organizations utilizing ADFS.

Notepad++ has also taken steps to enhance security following a compromise in its update process. On February 16, the company announced version 8.9.2, which introduces a ‘double lock’ mechanism featuring certificate and signature verification, significantly bolstering security for users. The company advises all users to upgrade promptly to mitigate the risk of compromise and to confirm that their downloads are sourced from notepad-plus-plus.org.

Meanwhile, Apple has rolled out significant security updates across its operating systems, including macOS and iOS, in conjunction with the Patch Tuesday on February 11. The updates, which address numerous vulnerabilities—55 for macOS Tahoe 26.3, 36 for macOS Sequoia 15.7.4, and 42 for macOS Sonoma 14.8.4—underscore the ongoing necessity for users to maintain updated systems. Similar updates were provided for iOS, iPadOS, tvOS, watchOS, visionOS, and Safari. Additionally, Apple released early March updates, although those lacked specific CVE listings.

Future Outlook

Looking ahead, the upcoming March Patch Tuesday is expected to continue the trend of addressing security vulnerabilities across major platforms. Microsoft is anticipated to release a comprehensive set of updates for both its operating systems and Office applications. The Adobe Creative Cloud suite is also due for updates, with Illustrator and Photoshop anticipated to feature prominently. Apple’s recent update patterns suggest that additional operating system updates may emerge shortly.

As the demand for AI technology surges, the dual nature of these tools—as both facilitators of efficiency and potential vulnerabilities—becomes increasingly relevant. Organizations must exercise caution when integrating AI functionalities within their networks, ensuring robust security measures are in place to guard against the vulnerabilities that can arise from AI-generated code. The intersection of AI and security presents a complex landscape where vigilance and adaptation are paramount.

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The AiPressa Staff team brings you comprehensive coverage of the artificial intelligence industry, including breaking news, research developments, business trends, and policy updates. Our mission is to keep you informed about the rapidly evolving world of AI technology.

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