Microsoft Bug Bounty Programs Year in Review: $13.6M in Rewards

Posted on Thursday July 08, 2021  |  MSRC alerts

Partnering with the security research community is an important part of Microsoft’s holistic approach to defending against security threats. Bug bounty programs are one part of this partnership. By discovering and reporting vulnerabilities to Microsoft through Coordinated Vulnerability Disclosure (CVD), researchers continue to help us secure millions of customers. Over the past 12 months, Microsoft…


Out-of-Band (OOB) Security Update available for CVE-2021-34527

Posted on Tuesday July 06, 2021  |  MSRC alerts

Today Microsoft released an Out-of-Band (OOB) security update for CVE-2021-34527, which is being discussed externally as PrintNightmare. This is a cumulative update release, so it contains all previous security fixes and should be applied immediately to fully protect your systems.   The fix that we released today fully addresses the public vulnerability, and it also includes a new feature that allows customers to implement stronger protections. See: KB5005010:…


New Nobelium activity

Posted on Friday June 25, 2021  |  MSRC alerts

The Microsoft Threat Intelligence Center is tracking new activity from the NOBELIUM threat actor. Our investigation into the methods and tactics being used continues, but we have seen password spray and brute-force attacks and want to share some details to help our customers and communities protect themselves. This recent activity was mostly unsuccessful, and the majority of targets were not successfully compromised...


Investigating and Mitigating Malicious Drivers

Posted on Friday June 25, 2021  |  MSRC alerts

The security landscape continues to rapidly evolve as threat actors find new and innovative methods to gain access to environments across a wide range of vectors. As the industry moves closer to the adoption of a Zero Trust security posture with broad and layered defenses, we remain committed to sharing threat intelligence with the community...


“BadAlloc” – Memory allocation vulnerabilities could affect wide range of IoT and OT devices in industrial, medical, and enterprise networks

Posted on Thursday April 29, 2021  |  MSRC alerts

Microsoft’s Section 52, the Azure Defender for IoT security research group, recently uncovered a series of critical memory allocation vulnerabilities in IoT and OT devices that adversaries could exploit to bypass security controls in order to execute malicious code or cause a system crash. These remote code execution (RCE) vulnerabilities cover more than 25 CVEs…


Congratulating Our Top MSRC 2021 Q1 Security Researchers!

Posted on Thursday April 15, 2021  |  MSRC alerts

We’re excited to announce the top contributing researchers for the 2021 First Quarter (Q1)! 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 Q1 Security Researcher Leaderboard are: Yuki Chen (4365 points)...


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