Microsoft confirmed via its official MSRC blog that the Microsoft Bounty Program has reached a new financial milestone, awarding a record $20 million to independent security researchers. The payout recognizes 562 researchers across 64 countries who identified and reported vulnerabilities across Microsoft’s products and services. For context, the program handed out $17 million to 344 researchers last year, making this year’s figure a significant jump. The surge is largely attributed to the growing role of artificial intelligence in both offensive and defensive cybersecurity.
A New Record for Vulnerability Rewards
The Microsoft Bounty Program has operated for more than a decade, evolving from a modest reward system into one of the largest corporate vulnerability disclosure initiatives in the tech industry. Last year’s expansion broadened the scope of eligible submissions. Researchers can now claim rewards for flaws discovered in open-source software, third-party components integrated into Microsoft products, and Microsoft cloud services. According to the official year-in-review blog post, the program’s growth reflects a deliberate shift toward covering the modern attack surface, which extends well beyond traditional desktop operating systems.
How the Microsoft Bounty Program Structures Payouts
Not every reported flaw earns a six-figure check. Microsoft tiers its rewards based on the severity and environment of the vulnerability. Submissions under the Cloud programs and Zero Day Quest categories are capped at $100,000 per vulnerability. Endpoint and On-Premises program vulnerabilities can command up to $250,000, reflecting the higher risk associated with local system compromise and enterprise infrastructure. While those figures represent the maximum payouts, the majority of accepted reports result in smaller, tiered awards based on impact and exploitability. The Zero Day Quest event itself remains a standout, having drawn researchers from 20 countries to Microsoft’s Redmond campus. The in-person competition generated more than 700 vulnerability reports and distributed over $2.3 million in rewards during a single event.
The AI Factor in the Bug Report Surge
Microsoft explicitly credited artificial intelligence with fueling the increase in high-quality submissions. Security researchers are increasingly leveraging machine learning models to scan codebases, automate fuzzing, and identify logic flaws that would take human analysts weeks to uncover. Microsoft has also deployed AI internally to find and help fix vulnerabilities before they reach the public. However, the same technology is accessible to malicious actors. Adversaries are using AI to rapidly develop exploit chains and weaponize newly discovered flaws. This has created a genuine AI arms race between defensive researchers and threat actors, making coordinated vulnerability disclosure more critical than ever. The verification process remains strictly human-led to ensure that AI-assisted findings meet Microsoft’s rigorous proof-of-concept standards before any reward is issued.
What This Means for You
If you use Windows, Office, or Microsoft 365, the increased bounty payouts translate directly to faster security patches. When independent researchers identify critical flaws in cloud services or endpoint software, Microsoft’s security engineering teams prioritize those findings for hotfixes and cumulative updates. The expanded scope also means that vulnerabilities in third-party components and open-source libraries bundled with Microsoft products are now formally tracked and rewarded. This reduces the window of exposure for everyday users, as previously overlooked supply-chain risks receive dedicated attention. Admins managing a fleet will notice that enterprise-grade Endpoint and On-Premises vulnerabilities now carry the highest priority for patch deployment.
How to Get Involved
Security researchers interested in participating can register through the Microsoft Bug Bounty Program portal. Eligible submissions must follow the program’s disclosure guidelines, which outline acceptable testing boundaries and responsible reporting procedures. Researchers should review the specific program rules for Cloud, Endpoint, or Zero Day Quest categories to understand payout caps and eligibility requirements. Microsoft also hosts the annual Zero Day Quest for researchers who prefer in-person, collaborative hunting. Those who qualify for rewards will receive payouts directly through the program’s administrative system after the vulnerability is verified and patched.
Source: Latest from Windows Central
Over to you: Will you be submitting vulnerability reports to the Microsoft Bounty Program, or do you prefer to focus on other Windows security practices?
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