Vulnerability Fixed in Azure Synapse Spark

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...

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

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...

2022 年 4 月のセキュリティ更新プログラム (月例)

2022 年 4 月 12 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...

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...

Researcher Spotlight: Cyber Viking Nate Warfield is Here to Help

“There are few jobs where I can say, I make two billion people more secure on the internet every single day.” Childhood Look: Goth kid, all in black Current Look: Cyber Viking Childhood hobby: Head banging to Metallica, Marilyn Manson, and Guns N’ Roses Current hobby: n0x08 DJ’s Live events aroun...

Researcher Spotlight: Dr. Nestori Syynimaa’s Constant Mission Protecting Identities

"When you find the things I find, they really matter. They affect everybody’s security.” Currently streaming: The Expanse and Lost in Space on Netflix Currently listening to: Amorphis, Architects, and Killswitch Engage Currently running: 130 kilometers or 80 miles a month Currently playing:...

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 ...

Windows 堅牢化のためのセキュリティ構成フレームワーク (Security Configuration Framework: SecCon)

マイクロソフトによく寄せられる質問のひとつに、「マイクロソフトが推奨するセキュリティ構成や各設定項目...

Vulnerability hunting with Semmle QL: DOM XSS

In two previous blog posts part 1 and part 2, we talked about using Semmle QL in C and C++ codebases to find vulnerabilities such as integer overflow, path traversal, and those leading to memory corruption. In this post, we will explore applying Semmle QL to web security by hunting for one of­­­...

Vulnerability hunting with Semmle QL: DOM XSS

In two previous blog posts part 1 and part 2, we talked about using Semmle QL in C and C++ codebases to find vulnerabilities such as integer overflow, path traversal, and those leading to memory corruption. In this post, we will explore applying Semmle QL to web security by hunting for one of­­­...

BlueHat Shanghai 2019: Amplifying the power of defensive partnerships around the world

Earlier this week BlueHat Shanghai brought together security researchers and hundreds of cybersecurity professionals from China and across Asia to explore the latest topics in cybersecurity research. Including presentations from Qihoo 360, Baidu, Alibaba and the Chinese Academy of Sciences, BlueH...

Microsoft Security Servicing Criteria for Windows

One of our goals in the Microsoft Security Response Center MSRC is to be more transparent with security researchers and our customers on the criteria we use for determining when we intend to address a reported vulnerability through a security update. Our belief is that improving transparency on...

Windows Defender Advanced Threat Protection の機械学習: 未知の侵入アクティビティの検出

本記事は、Windows Security のブログ “Windows Defender ATP machine learning: Detecting new and unusual breach activity” 2017 年 8 月 3 日 米...

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...

Assessing risk for the August 2013 security updates

Today we released eight security bulletins addressing 23 CVE’s. Three bulletins have a maximum severity rating of Critical while the other five 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...

Microsoft Bounty Program year in review More than $20 million awarded in our biggest year yet

This year, the Microsoft Bounty Program awarded more than$20 millionto562 security researchers, the highest total payout and the largest number of researchers recognized in the program's history. Researchers from64 countriescontributed findings that helped protect customers worldwide...

“The bugs pick you”: Inside Wouter’s security research journey

If you ask Wouter when his security journey began, he’ll take you back to a childhood in the Netherlands, tinkering with the 8086 PC his parents brought home when he was five or six. That early curiosity, fueled by racing games, trial-and-error exploration, and a tendency to pull things apart jus...

Jailbreaking is (mostly) simpler than you think

Content warning: This blog post contains discussions of sensitive topics. These subjects may be distressing or triggering for some readers. Reader discretion is advised. Today, we are sharing insights on a simple, optimization-free jailbreak method called Context Compliance Attack CCA, that has...

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...

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...

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...

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...

BlueHat 2023 Call for Papers is Now Open!

For nearly 20 years, BlueHat has been where the security research community, and Microsoft security professionals come together as peers, to share, debate, challenge, learn, and exchange ideas in the interest of creating a safer and more secure world for all. We are extremely excited to announce...

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...

What’s the smallest variety of CHERI?

The Portmeirion project is a collaboration between Microsoft Research Cambridge, Microsoft Security Response Center, and Azure Silicon Engineering & Solutions. Over the past year, we have been exploring how to scale the key ideas from CHERI down to tiny cores on the scale of the cheapest...

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...

Microsoft Office to publish symbols starting August 2022

We are excited to announce that Microsoft Office will begin publishing Office symbols for Windows via the Microsoft Public Symbol Server on August 9th 2022. The publication of Office symbols is a part of our continuing investment to improve security and performance for customers and partners. Key...

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...

Randomizing the KUSER_SHARED_DATA Structure on Windows

Opps, this post exists, but was actually published 4/5/2022. We're navigating you to the correct page now. If that doesn't work click the link below: Randomizing the KUSERSHAREDDATA Structure on Windows – Microsoft Security Response Center...

マイクロソフトのサポートを装った詐欺にご注意ください

パソコンやタブレットを利用している際に、突然、“ウイルスに感染した” といった内容を示す画面とともに、...

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...

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...

Local Administrator Password Solution (LAPS) 導入ガイド (日本語版)

Active Directory 管理者のみなさん、Local Administrator Password Solution LAPS ツールはご存じですか? LAPS ツールは、Active Directory AD に参加して...

Attacking the VM Worker Process

In the past year we invested a lot of time making Hyper-V research more accessible to everyone. Our first blog post, “First Steps in Hyper-V Research”, describes the tools and setup for debugging the hypervisor and examines the interesting attack surfaces of the virtualization stack components. W...

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。...

2020 年 IE, Edge で TLS 1.0, 1.1 での接続無効化。確認を！

こんにちは、垣内ゆりかです。 マイクロソフトでは、Transport Layer Security TLS 1.0, 1.1 の利用を廃止し、より安全...

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...

November 2017 security update release

Today, we released security updates to provide additional protections against malicious attackers. By default, Windows 10 receives these updates automatically, and for customers running previous versions, we recommend they turn on automatic updates as a best practice. More information about this...

EnglishmansDentist Exploit Analysis

Introduction Introduction We are continuing our series of blog posts dissecting the exploits released by ShadowBrokers in April 2017. After the first two posts about the SMB exploits known as EternalChampion and EternalSynergy, we’ll move this time to analyze a different tool and we’ll focus on t...

EMET 5.52 update is now available

EMET 5.52 is the latest version of the Enhanced Mitigation Experience Toolkit EMET and is now available for download. EMET 5.52 is a minor update from EMET 5.51 to address the following: An issue with the EAF mitigation that causes some applications to hang on Windows 7 SP1. A fix to the MSI...

Assessing Risk for the October 2014 Security Updates

Today we released eight security bulletins addressing 24 unique CVE’s. Three bulletins have a maximum severity rating of Critical, and five have a maximum severity rating of Important. This table is designed to help you prioritize the deployment of updates appropriately for your environment...

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...