msrc

Microsoft Mitigates Vulnerability in Jupyter Notebooks for Azure Cosmos DB

Tuesday, November 01, 2022

Summary Microsoft recently fixed an authentication bypass vulnerability in Jupyter Notebooks for Azure Cosmos DB (currently in preview) reported by Orca Security. Customers not using Jupyter Notebooks (99.8% of Azure Cosmos DB customers do NOT use Jupyter notebooks) were not susceptible to this vulnerability. The bug was introduced on August 12th and fully patched worldwide on Oct 6th, two days after it was reported.

Congratulations to the Top MSRC 2022 Q3 Security Researchers!

Monday, October 24, 2022

Congratulations to all the researchers recognized in this quarter’s Microsoft Researcher Recognition Program leaderboard! Thank you to everyone for your hard work and continued partnership to secure customers. The top three researchers of the 2022 Q3 Security Researcher Leaderboard are: Zhiyi Zhang , Yuki Chen , and Dang The Tuyen! Check out the full list of researchers recognized this quarter here.

• Community-based Defense
• Coordinated Vulnerability Disclosure
• Researcher Recognition
• Security Researcher

Awareness and guidance related to potential Service Fabric Explorer (SFX) v1 web client risk

Wednesday, October 19, 2022

Summary Microsoft was recently made aware of a Cross-Site Scripting (XSS) vulnerability (CVE-2022-35829), that under limited circumstances, affects older versions of Service Fabric Explorer (SFX). The current default SFX web client (SFXv2) is not vulnerable to this attack. However, customers can manually switch from the default web client (SFXv2) to an older vulnerable SFX web client version (SFXv1).

Investigation Regarding Misconfigured Microsoft Storage Location

Wednesday, October 19, 2022

October 28, 2022 update: Added a Customer FAQ section. Summary Security researchers at SOCRadar informed Microsoft on September 24, 2022, of a misconfigured Microsoft endpoint. This misconfiguration resulted in the potential for unauthenticated access to some business transaction data corresponding to interactions between Microsoft and prospective customers, such as the planning or potential implementation and provisioning of Microsoft services.

Customer Guidance for Reported Zero-day Vulnerabilities in Microsoft Exchange Server

Friday, September 30, 2022

November 8, 2022 update - Microsoft released security updates for CVE-2022-41040 and CVE-2022-41082. We recommend that customers protect their organizations by applying the updates immediately to affected systems. The options described in the Mitigations section are no longer recommended. For more information, review the Exchange Team blog. Summary On November 8 Microsoft released security updates for two zero-day vulnerabilities affecting Microsoft Exchange Server 2013, Exchange Server 2016, and Exchange Server 2019.

• Microsoft Exchange

Defense-in-Depth Updates for Azure Identity libraries and Azure Key Vault libraries within Azure SDK plus Best Practice Implementation Guidance

Tuesday, September 20, 2022

Summary Today, Microsoft released new versions of the Azure Key Vault libraries and Azure Identity libraries as part of the Azure Software Development Kit (SDK) that includes defense-in-depth feature improvements. We also published best practice guidance to help protect applications and services that allow externally controlled input into the Azure Key Vault client URI for processing.

Vulnerability Fixed in Azure Synapse Spark

Thursday, September 01, 2022

Summary Microsoft takes a proactive approach to continually probe our defenses, hunt for vulnerabilities, and seek new, innovative ways to protect our customers. Security researchers are an important part of this effort, and our collaborative partnership is critical in a world where cybersecurity attacks continue to grow in number and sophistication.

Microsoft Bug Bounty Programs Year in Review: $13.7M in Rewards

Thursday, August 11, 2022

The Microsoft Bug Bounty Programs and partnerships with the global security research community are important parts of Microsoft’s holistic approach to defending customers against security threats. Our bounty programs incentivize security research in high-impact areas to stay ahead of the ever-changing security landscapes, emerging technology, and new threats. Security Researchers help us secure millions of customers by discovering and reporting vulnerabilities to Microsoft through Coordinated Vulnerability Disclosure.

• Bounty
• Bug Bounty Programs
• Community-based Defense
• Researcher Recognition
• Security Researcher

Security Update Guide Notification System News: Create your profile now

Tuesday, August 09, 2022

Sharing information through the Security Update Guide (SUG) is an important part of our ongoing effort to help customers manage security risks and keep systems protected. In January 2022 we introduced Phase One of a new way for customers to receive email notifications about new Microsoft product security content using any email address, not just a Microsoft account, or Live ID as it is sometimes known.

Congratulations to the MSRC 2022 Most Valuable Researchers!

Monday, August 08, 2022

The Microsoft Researcher Recognition Program offers public thanks and recognition to security researchers who help protect our customers through discovering and sharing security vulnerabilities under Coordinated Vulnerability Disclosure. Today, we are excited to recognize this year’s top 100 Most Valuable Researchers (MVRs) based on the

• Community-based Defense
• Coordinated Vulnerability Disclosure
• Researcher Recognition
• Security Researcher