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BlueHat IL 2017 Announced
Microsoft is thrilled to announce BlueHat IL 2017. This will mark the first time BlueHat is held in Tel Aviv and it will take place on January 24-25, 2017. Given its location, Israel further serves as a harness which draws in researchers from across Europe, Asia and the Middle East...
Update to the Microsoft Edge Web Platform on Windows Insider Preview Bug Bounty Program terms
On August 4, 2016 we launched a bounty program that targets Remote Code Execution RCE vulnerabilities in Microsoft Edge on the Windows Insider Preview Slow WIP slow. Today, we will be making additions to this bounty program. Since security is a continuous effort and not a destination, we prioriti...
September 2016 security update release
Today we released security updates to provide additional protections against malicious attackers. As a best practice, we encourage customers to apply security updates as soon as they are released. More information about this month’s security updates and advisories can be found in the Security...
Triaging the exploitability of IE/EDGE crashes
Introduction Both Internet Explorer IE and Edge have seen significant changes in order to help protect customers from security threats. This work has featured a number of mitigations that together have not only rendered classes of vulnerabilities not-exploitable, but also dramatically raised the...
What makes a good Microsoft Defense Bounty submission?
One of Microsoft’s longstanding strategies toward improving software security continues to involve investing in defensive technologies that make it difficult and costly for attackers to exploit vulnerabilities. These solutions generally have a broad and long lasting impact on software security...
Advance Notification Service for the December 2014 Security Bulletin Release
Today, we provide advance notificationfor the release of seven Security Bulletins. Three of these updates are rated Critical and four are rated as Important in severity. These updates are for Microsoft Windows, Internet Explorer IE, Office and Exchange. As per our monthly process, we’ve scheduled...
Security Advisory 3010060 released
Today, we released Security Advisory 3010060to provide additional protections regarding limited, targeted attacks directed at Microsoft Windows customers. A cyberattacker could cause remote code execution if someone is tricked into opening a maliciously-crafted PowerPoint document that contains a...
Advance Notification Service for the August 2014 Security Bulletin Release
Today, we provide advance notification for the release of nine Security Bulletins. Two of these are rated Critical, and the remaining seven are rated Important in severity. These Updates are for SQL Server, SharePoint, OneNote, .NET, Microsoft Windows, and Internet Explorer. As per our usual...
Advance Notification Service for the July 2014 Security Bulletin Release
Today, we provide advance notification for the release of six Security Bulletins. Two of these are rated Critical, three are rated as Important, and one is rated Moderate in severity. These Updates are for Microsoft Windows and Internet Explorer. This month we will also premier the new format for...
Microsoft releases Security Advisory 2974294
Today, we released Security Advisory 2974294 to inform global customers about an update for the Microsoft Malware Protection Engine. This update addresses a privately disclosed issue and fixes a vulnerability that could allow a denial of service if the Microsoft Malware Protection Engine scans a...
The May 2014 Security Updates
Today, we released eight security bulletins – two rated Critical and six rated Important – to address 13 Common Vulnerability & Exposures CVEs in .NET Framework, Office, SharePoint, Internet Explorer, and Windows. We encourage you to apply all of these updates, but for those who need to prioritiz...
Load Library Safely
Dynamically loading libraries in an application can lead to vulnerabilities if not secured properly. In this blog post we talk about loading a library using LoadLibraryEx API and make use of options to make it safe. Know the defaults: The library file name passed to LoadLibrary / LoadLibraryEx ca...
Protection strategies for the Security Advisory 2963983 IE 0day
We’ve received a number of customer inquiries about the workaround steps documented in Security Advisory 2963983 published on Saturday evening. We hope this blog post answers those questions. Steps you can take to stay safe The security advisory lists several options customers can take to stay...
April 2014 Security Bulletin Webcast and Q&A
Today we published the April 2013 Security Bulletin Webcast Questions & Answers page. We answered 13 questions in total, with the majority focusing on the update for Internet Explorer MS14-018 and the Windows 8.1 Update KB2919355. Two questions that were not answered on air have been included on...
Microsoft Releases Security Advisory 2953095
Today we released Security Advisory 2953095 to notify customers of a vulnerability in Microsoft Word. At this time, we are aware of limited, targeted attacks directed at Microsoft Word 2010. An attacker could cause remote code execution if someone was convinced to open a specially crafted Rich Te...
February 2014 Security Bulletin Webcast and Q&A
Today we published the February 2014 Security Bulletin Webcast Questions & Answers page. We answered seven questions on air, with the majority of questions focusing on the MSXML bulletin MS14-005 and the revision to Security Advisory 2915720. One question that was not answered on air has been...
Assessing risk for the February 2014 security updates
Today we released seven security bulletins addressing 31 unique CVE’s. Four bulletins have a maximum severity rating of Critical while the other three have a maximum severity rating of Important. We hope that the table below helps you prioritize the deployment of the updates appropriately for you...
Safer Internet Day 2014 and Our February 2014 Security Updates
In addition to today being the security update release, February 11 is officially Safer Internet Day for 2014. This year, we’re asking folks to Do 1 Thing to stay safer online. While you may expect my “Do 1 Thing” recommendation would be to apply security updates, I’m guessing that for readers of...
A Look Into the Future and the January 2014 Bulletin Release
In January, there are those who like to make predictions about the upcoming year. I am not one of those people. Instead, I like to quote Niels Bohr who said, “Prediction is very difficult, especially if it’s about the future.” However, I can say without a doubt that change is afoot in 2014...
Predictions for 2014 and the December 2013 Security Bulletin Webcast, Q&A, and Slide Deck
Today we’re publishing the December 2013 Security Bulletin Webcast Questions & Answers page. We answered 17 questions in total, with the majority of questions focusing on the Graphics Component bulletin MS13-096, Security Advisory 2915720 and Security Advisory 2905247. We also wanted to note a ne...
MS13-106: Farewell to another ASLR bypass
Today we released MS13-106 which resolves a security feature bypass that can allow attackers to circumvent Address Space Layout Randomization ASLR using a specific DLL library HXDS.DLL provided as part of Microsoft Office 2007 and 2010. The existence of an ASLR bypass does not directly enable the...
Authenticity and the November 2013 Security Updates
If you haven't had a chance to see the movie Gravity, I highly recommend you take the time to check it out. The plot moves a bit slowly at times, but director Alfonso Cuaron's work portrayal of zero gravity is worth the ticket price alone. Add in stellar acting and you end up with an epic movie...
The October 2013 security updates
This month we release eight bulletins – four Critical and four Important - which address 25 unique CVEs in Microsoft Windows, Internet Explorer, SharePoint, .NET Framework, Office, and Silverlight. For those who need to prioritize their deployment planning, we recommend focusing on MS13-080,...
Attention Bounty Hunters – The Ramp Up to Black Hat
We’re three weeks into our new world of bounties for Microsoft products now, and as the clock ticks down on one program, we’re prepping for some live excitement with one of the others. First, the Internet Explorer 11 Preview Bounty is entering its final 10 days; the bounty period for that program...
Running in the wild, not for so long
Over the weekend we received a report from our partners about a possible unpatched Internet Explorer vulnerability being exploited in the wild. The exploit code uses a memory corruption bug triggered from a webpage but it deeply leverages a Flash SWF file in order to achieve reliable exploitation...
Filling A Gap In the Vulnerability Market – First Bounty Notification
When Microsoft decided to offer not one but three new bounties, paying outside researchers directly for security research on some of our latest products, we put a lot of thought into developing those bounty programs. We developed a customized set of programs designed to create a win-win between t...
MS13-051: Get Out of My Office!
MS13-051 addresses a security vulnerability in Microsoft Office 2003 and Office for Mac. Newer versions of Microsoft Office for Windows are not affected by this vulnerability, but the newest version of Office for Mac 2011 is affected. We have seen this vulnerability exploited in targeted 0day...
May 2013 Security Bulletin Webcast, Q&A, and Slide Deck
For those who couldn’t attend the live webcast, today we’re publishing the May 2013 Security Bulletin Webcast Questions & Answers page. We fielded 13 questions on various topics during the webcast, with specific bulletin questions focusing primarily on Internet Explorer MS13-037 and MS13-038 and...
Microsoft Bug Bounty Program Year in Review: $13.8M in Rewards
We are thrilled to share the results of our collaboration with over 345 security researchers from +45 countries around the world in the past 12 months. Together, we have discovered and fixed more than a thousand potential security issues before they impacted our customers. In recognition of this...
All Hands-on Deck: A Whole-of-Society Approach for Cybersecurity
The morning of June 9th, I was driving over the Golden Gate Bridge into San Francisco with my family. While crossing the bridge my children shared some facts about this modern engineering marvel. Each day, approx. 100,000 vehicles travel over the bridge deck, which weighs a staggering 150,000 ton...
セキュリティ更新プログラムのアナトミー
本ブログは、Anatomy of a Security Update の抄訳版です。最新の情報は原文を参照してください。 マイクロソフト セ...
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...
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...
[IT 管理者むけ] Active Directoryのセキュリティ強化への対応をご確認ください
2021 年 11 月以降のセキュリティ更新プログラムには、脆弱性を解決するために、Active Directory における 4 件のセ...
BlueHat is Back!
After a short hiatus, BlueHat is coming back with a vengeance! And we’ve got big plans for the entire researcher community. But first, I must apologize. It’s been a while since you have heard from us. We didn’t have BlueHat 2020 or 2021, and we know that was disappointing. It was partly due to th...
Coordinated disclosure of vulnerability in Azure Container Instances Service
Microsoft recently mitigated a vulnerability reported by a security researcher in the Azure Container Instances ACI that could potentially allow a user to access other customers’ information in the ACI service. Our investigation surfaced no unauthorized access to customer data. Out of an abundanc...
Point and Print の既定動作の変更
本記事は「Point and Print Default Behavior Change」の日本語抄訳です。 "PrintNightmare" と総称されるいくつかの脆弱性を調査した...
Congratulations to the MSRC 2021 Most Valuable Security Researchers!
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...
Announcing the Top MSRC 2021 Q2 Security Researchers - Congratulations!
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...
2021 年 7 月のセキュリティ更新プログラム (月例)
2021 年 7 月 14 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...
Microsoft Bug Bounty Programs Year in Review: $13.6M in Rewards
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...
New Nobelium activity
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 prote...
New Nobelium activity
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 prote...
マイクロソフト脆弱性報告窓口 ガイド (日本語)
マイクロソフトでは、より安全・安心な製品・サービスを提供するため、脆弱性報告窓口および報告者に対する...
Exchange Server の脆弱性の緩和策
「Microsoft Exchange Server Vulnerabilities Mitigations – March 2021」の日本語抄訳です。 マイクロソフトは先週公開したブログにて、...
MSRC Security Researcher Recognition: 2021
Wondering how to get into the 2021 MSRC Most Valuable Security Researcher list and get recognized during the Black Hat USA this August? Read on to learn more about the different paths you can take to get into the top researcher tiers. The MSRC Most Valuable Security Researcher MVR and MSRC...
Top MSRC 2020 Q4 Security Researchers – Congratulations!
We’re excited to announce the top contributing researchers for the 2020 Fourth Quarter Q4! Congratulations to all of the researchers who made this quarter’s leaderboard and a huge thank you to everyone who continues to help secure our customers and the ecosystem. The top three researchers of the...
Security Update Guide Supports CVEs Assigned by Industry Partners
Hi Folks, This month we are introducing a new data element for each CVE in the Security Update Guide, called Assigning CNA. First let me back up a bit and give some information about the CVE program. The purpose of a CVE is to uniquely identify a cybersecurity vulnerability. The CVE program was...
Microsoft Internal Solorigate Investigation Update
As we said in our recent blog, we believe the Solorigate incident is an opportunity to work together in important ways, to share information, strengthen defenses and respond to attacks. Like other SolarWinds customers, we have been actively looking for indicators of the Solorigate actor and want ...