Microsoft Security Response Center Blog Alerts

Congratulations to all the researchers recognized in this quarter’s MSRC Researcher Recognition Program leaderboard! Thank you to everyone for your hard work and continued partnership to secure customers. The top three researchers of the 2021 Q3 Security Researcher Leaderboard are: BugHunter010 (840 points), Callum Carney (828 points), and Nir Ohfeld (525 points)! Each quarterly leaderboard…

Microsoft is excited to announce the addition of Power Platform to the newly rebranded Dynamics 365 and Power Platform Bounty Program. Through this expanded program, we encourage researchers to discover and report high impact security vulnerabilities they may find in the new Power Platform scope to help protect customers. We offer awards up to $20,000…

On September 14, 2021, Microsoft released fixes for three Elevation of Privilege (EoP) vulnerabilities and one unauthenticated Remote Code Execution (RCE) vulnerability in the Open Management Infrastructure (OMI) framework: CVE-2021-38645, CVE-2021-38649, CVE-2021-38648, and CVE-2021-38647, respectively. Open Management Infrastructure (OMI) is an open-source Web-Based Enterprise Management (WBEM) implementation for managing Linux and UNIX systems. Several Azure Virtual Machine (VM) management extensions use this framework to…

Microsoft recently mitigated a vulnerability reported by a security researcher in the Azure Container Instances (ACI). Our investigation surfaced no unauthorized access to customer data. Out of an abundance of caution we notified customers with containers running on the same clusters as the researchers via Service Health Notifications in the Azure Portal. If you did not receive a notification, no action is required with respect to this vulnerability.

On August 12, 2021, a security researcher reported a vulnerability in the Azure Cosmos DB Jupyter Notebook feature that could potentially allow a user to gain access to another customer’s resources by using the account’s primary read-write key. We mitigated the vulnerability immediately.   Our investigation indicates that no customer data was accessed because of this…

Microsoft is excited to announce the launch of a new, three-month security research challenge under the Azure Security Lab initiative. The Azure Server-Side Request Forgery (SSRF) Research Challenge invites security researchers to discover and share high impact SSRF vulnerabilities in Microsoft Azure. Qualified submissions are eligible for bounty rewards up to $60,000 USD, with additional…

Our investigation into several vulnerabilities collectively referred to as “PrintNightmare” has determined that the default behavior of Point and Print does not provide customers with the level of security required to protect against potential attacks. Today, we are addressing this risk by changing the default Point and Print driver installation and update behavior to require…

The MSRC Researcher Recognition Program offers public thanks and acknowledgement to the researchers who help protect customers through discovering and sharing security vulnerabilities under Coordinated Vulnerability Disclosure. Today, we are excited to recognize this year’s Most Valuable Security Researchers (MVRs) based on the impact, accuracy, and volume of their reports. Congratulations to each of our MSRC…

We are pleased to announce the addition of Microsoft Teams mobile applications to the Microsoft Applications Bounty Program. Through the expanded program we welcome researchers from across the globe to seek out and disclose any high impact security vulnerabilities they may find in Teams mobile applications to help secure customers. Rewards up to $30,000 USD…

We’re excited to announce the top contributing researchers for the 2021 Second Quarter (Q2)! Congratulations to all the researchers recognized in this quarter’s leaderboard and thank you to everyone who continues to help secure our customers and the ecosystem. The top three researchers of the 2021 Q2 Security Researcher Leaderboard are: Yuki Chen (765 points)…