1377 matches found
SHA-1 Collisions Research
Today, a group of eight researchers from across the security industry released a research report on SHA-1 that demonstrates for the first time, a “hash collision” for the full SHA-1 hash algorithm called “SHAttered”. This is a significant step toward understanding this type of security issue, a...
Assessing risk for the April 2014 security updates
Today we released four security bulletins addressing 11 unique CVE’s. Two bulletins have a maximum severity rating of Critical while the other two have a maximum severity rating of Important. We hope that the table below helps you prioritize the deployment of the updates appropriately for your...
Heart of Blue Gold – Announcing New Bounty Programs
Our Philosophy At the heart of our community outreach programs, we’ve always had the same philosophy: help increase the win-win between Microsoft’s customers and the security research community. We have evolved and deepened our relationships with this community since the earliest days of...
Congratulations to the MSRC 2026 Most Valuable Security Researchers
We are grateful to every security researcher who partnered with us over the past year. Through their reports and collaboration, they helped us identify and address vulnerabilities across our products and services...
The research never stops: Zhiniang Peng’s security research story
Some security researchers discover hacking early. Others discover it accidentally. For Zhiniang Peng, it started with curiosity and cybersecurity magazines...
Evolving our approach to coordinated security research: In scope by default
Today at Black Hat Europe, I raised our commitment to customer security through our partnerships with the security research community...
Congratulations to the top MSRC 2025 Q3 security researchers!
Congratulations to all the researchers recognized in this quarter’sMicrosoft Researcher Recognition Programleaderboard! Thank you to everyone for your hard work and continued partnership to secure customers...
Zero Day Quest 2025: $1.6 million awarded for vulnerability research
This month, the Microsoft Security Response Center recently welcomed some of the world’s most talented security researchers at Microsoft’s Zero Day Quest, the largest live hacking competition of its kind. The inaugural event challenged the security community to focus on the highest-impact securit...
Congratulations to the MSRC 2024 Most Valuable Security Researchers!
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 100 Most...
Updated Researcher Portal Submission Form: Discover the New Fields in the Submission Form
Summary: We are excited to announce the release of the updated Researcher Portal submission form. These new fields allow Security Researchers to provide additional context for the reported security issue, providing product teams with more data for analysis, gain insights and identify trends acros...
2023 年 6 月のセキュリティ更新プログラム (月例)
2023 年 6 月 13 日 米国時間 、マイクロソフトは、マイクロソフト製品に影響する脆弱性を修正するために、セキ...
Announcing The BlueHat Podcast: Listen and Subscribe Now!
Available today on all major podcast platforms is The BlueHat Podcast, a new series of security research focused conversations, continuing the themes from the BlueHat 2023 conference session recordings available to watch here. Since 2005, BlueHat has been where the security research community, an...
New MSRC Blog Site
We are excited to announce the release of the new Microsoft Security Response Center MSRC blog site. Please visit msrc.microsoft.com/blog/ starting February 9th, 2023, for all past and future MSRC blog content. In addition to the new URL, we have refreshed the site with a new look and improved si...
Microsoft resolves four SSRF vulnerabilities in Azure cloud services
Summary Summary Microsoft recently fixed a set of Server-Side Request Forgery SSRF vulnerabilities in four Azure services Azure API Management, Azure Functions, Azure Machine Learning, and Azure Digital Twins reported by Orca Security. These SSRF vulnerabilities were determined to be low risk as...
Reflecting on Cybersecurity Awareness Month: At its Core, Cybersecurity is all about People
As Cybersecurity Awareness Month 2022 comes to a close, I’m grateful for the impact it has had in bringing cybersecurity to the forefront since it began in 2004. Though the month may be over, our work in cybersecurity is never done. Often, we think about cybersecurity as a complex technology...
Congratulations to the Top MSRC 2022 Q3 Security Researchers!
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 Zha...
Azure Identity SDK と Azure Key Vault SDKに関する多層防御のためのアップデートとベストプラクティスの実装ガイダンス
本ブログは、Defense-in-Depth Updates for Azure Identity SDK and Azure Key Vault SDK plus Best Practice Implementation Guidance の抄訳版です。最新の情報は...
Curious, Innovative, Creative, Community Driven: Meet Cyb3rWard0g, Roberto Rodriquez
When I grow up I want to be? Dancer or a veterinarian Happiest memories: Tearing up the dance floor at weddings and playing soccer in the streets of Lima, Peru Previous Job roles : Mopped floors for McDonalds, packed boxes at an Avon warehouse, Manager at Olive Garden, Beer taster/server and then...
セキュリティ更新プログラム ガイドの通知システム : 今すぐプロファイルを作成しましょう
本ブログは、Security Update Guide Notification System News: Create your profile now の抄訳版です。最新の情報は原文を参照してください。 セキ...
2022 年 5 月のセキュリティ更新プログラム (月例)
2022 年 5 月 10 日（米国時間）、マイクロソフトは、マイクロソフト製品に影響する脆弱性を修正するために、セキ...
Congratulations and New Swag Awards for the Top MSRC 2022 Q1 Security Researchers!
Today, we are excited to recognize this quarter’s Microsoft Researcher Recognition Program leaderboard and share new swag awards and improvements to the leaderboard. Congratulations and thank you to everyone for your hard work and continued partnership to secure customers. The top three researche...
Randomizing the KUSER_SHARED_DATA Structure on Windows
Opps, this post exists, but was actually published 4/5/2022. Were navigating you to the correct page now. If that doesnt work click the link below: Randomizing the KUSERSHAREDDATA Structure on Windows – Microsoft Security Response Center...
Exploring a New Class of Kernel Exploit Primitive
The security landscape is dynamic, changing often and as a result, attack surfaces evolve. MSRC receives a wide variety of cases spanning different products, bug types and exploit primitives. One particularly interesting primitive we see is an arbitrary kernel pointer read. These often happen whe...
Congratulations to the Top MSRC 2021 Q4 Security Researchers!
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 2021 Q4 Security Researcher Leaderboard are: rezer0dai...
Power Platform is Here! Introducing the Dynamics 365 and Power Platform Bug Bounty Program
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 ...
Microsoft Internal Solorigate Investigation - Final Update
We believe the Solorigate incident is an opportunity to work with the community, to share information, strengthen defenses and respond to attacks. We have now completed our internal investigation into the activity of the actor and want to share our findings, which confirm that we found no evidenc...
Clarifying the behavior of mandatory ASLR
Last week, the CERT/CC published an advisory describing some unexpected behavior they observed when enabling system-wide mandatory Address Space Layout Randomization ASLR using Windows Defender Exploit Guard WDEG and EMET on Windows 8 and above. In this blog post, we will explain the configuratio...
BlueHat v17 Call for Papers Opens
Calling security professionals and enthusiasts throughout the world. Microsoft is pleased to open the Call for Papers for our BlueHat v17 Security Conference. Potential speakers have from June 1st through August 18th to submit abstract proposals for this unique opportunity. As in past events, we...
April 2017 security update release
Today we released security updates to provide additional protections against malicious attackers. As a best practice, we encourage customers to turn on automatic updates. More information about this month’s security updates can be found on the Security Update Guide. MSRC team...
Mitigating the LdrHotPatchRoutine DEP/ASLR bypass with MS13-063
Today we released MS13-063 which includes a defense in depth change to address an exploitation technique that could be used to bypass two important platform mitigations: Address Space Layout Randomization ASLR and Data Execution Prevention DEP. As we’ve described in the past, these mitigations pl...
From points to payouts: The evolution of the Microsoft security researcher leaderboard
The global security research community plays a critical role in helping Microsoft protect customers. Through their deep technical expertise, coordinated disclosure, and collaboration, researchers help identify and remediate vulnerabilities, and shape how our security programs evolve. Many of the...
postMessaged and Compromised
At Microsoft, securing the ecosystem means more than just fixing bugs—it means proactively hunting for variant classes, identifying systemic weaknesses, and working across teams to protect customers before attackers ever get the chance. This blog highlights one such effort: a deep dive into the...
Microsoft Bounty Program year in review: $17 million in rewards
We’re thrilled to share that this year, the Microsoft Bounty Program has distributed $17 million to 344 security researchers from 59 countries, the highest total bounty awarded in the program’s history. In close collaboration with the Microsoft Security Response Center MSRC, these security...
.NET Bounty Program now offers up to $40,000 in awards
We’re excited to announce significant updates to the Microsoft .NET Bounty Program. These changes expand the program’s scope, simplify the award structure, and offer great incentives for security researchers. The .NET Bounty Program now offers awards up to $40,000 USD for vulnerabilities impactin...
Toward greater transparency: Adopting the CWE standard for Microsoft CVEs
At the Microsoft Security Response Center MSRC, our mission is to protect our customers, communities, and Microsoft from current and emerging threats to security and privacy. One way we achieve this is by determining the root cause of security vulnerabilities in Microsoft products and services. W...
Cybersecurity Awareness Month 2023: Elevating Security Together
As the 20th anniversary of Cybersecurity Awareness Month begins, I find myself reflecting on the strides made since its inception. The journey to enhance and improve cybersecurity is ongoing and extends beyond October. It’s not merely a technological challenge; it is fundamentally about people...
2023 年 6 月のセキュリティ更新プログラム (月例)
2023 年 6 月 13 日 米国時間 、マイクロソフトは、マイクロソフト製品に影響する脆弱性を修正するために、セキ...
Announcing the Microsoft Machine Learning Membership Inference Competition (MICO)
We’re excited to announce the launch of a new competition focusing on the security and privacy of machine learning ML systems. Machine learning has already become a key enabler in many products and services, and this trend is likely to continue. It is therefore critical to understand the security...
セキュリティ更新プログラム リリース スケジュール (2023 年)
2023 年のセキュリティ更新プログラムの公開予定日は下記のとおりです。更新プログラムの評価、テスト、適用の...
2022 年 10 月 のセキュリティ更新プログラム (月例)
2022 年 10 月 11 日 米国時間 、マイクロソフトは、マイクロソフト製品に影響する脆弱性を修正するために、セキ...
Security Update Guide Notification System News: Create your profile now
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...
Azure Storage SDK でのクライアントサイド暗号化におけるパディング オラクル の脆弱性を軽減
本ブログは、Mitigation for Azure Storage SDK Client-Side Encryption Padding Oracle Vulnerability の抄訳版です。最新の情報は原文を参照してください。...
Azure Site Recovery の脆弱性を軽減
本ブログは、Microsoft Mitigates Azure Site Recovery Vulnerabilities の抄訳版です。最新の情報は原文を参照してください。 概要 概要 マ...
2022 年 3 月のセキュリティ更新プログラム (月例)
2022 年 3 月 8 日（米国時間）、マイクロソフトは、マイクロソフト製品に影響する脆弱性を修正するために、セキ...
“BadAlloc” – Memory allocation vulnerabilities could affect wide range of IoT and OT devices in industrial, medical, and enterprise networks
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...
February 2020 security updates are available
We have released the February security updates to provide additional protections against malicious attackers. As a best practice, we encourage customers to turn on automatic updates. More information about this month’s security updates can be found in the Security Update Guide...
2019 年 6 月のセキュリティ更新プログラム (月例)
2019 年 6 月 12 日 日本時間、マイクロソフトは以下のソフトウェアのセキュリティ更新プログラムを公開しました。...
セキュリティ更新プログラムの情報を API で取得する方法を紹介するビデオを YouTube で公開しています
セキュリティ更新プログラムの情報は「セキュリティ更新プログラム ガイド」ダッシュボードから入手できるこ...
Inside the MSRC – How we recognize our researchers
This is the first of a series of blog entries to give some insight into the Microsoft Security Response Center MSRC business and how we work with security researchers and vulnerability reports. The Microsoft Security Response Center actively recognizes those security researchers who help us to...