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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...
May 2014 Security Bulletin Webcast and Q&A
Today we published the May 2014 Security Bulletin Webcast Questions & Answers page. We answered 17 questions in total, with the majority focusing on the update for SharePoint MS14-022, Group Policy MS14-025 and Internet Explorer MS14-029. Here is the video replay: We invite you to join us for the...
Assessing risk for the May 2014 security updates
Today we released eight security bulletins addressing 13 unique CVE’s. Two bulletins have a maximum severity rating of Critical while the other six have a maximum severity rating of Important. The table is designed to help you prioritize the deployment of updates appropriately for your environmen...
MS14-025: An Update for Group Policy Preferences
Today, we released an update to address a vulnerability in Group Policy Preferences MS14-025. Group Policy Preferences was an addition made to Group Policy to extend its capabilities. Among other things, Group Policy Preferences allows an administrator to configure: Local administrator accounts...
Continuing with Our Community Driven, Customer Focused Approach for EMET
The Enhanced Mitigation Experience Toolkit, best known as EMET, helps raise the bar against attackers gaining access to computer systems. Since the first release of EMET in 2009, our customers and the security community have adopted EMET and provided us with valuable feedback. Feedback both in...
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...
MS14-019 – Fixing a binary hijacking via .cmd or .bat file
Command .cmd and batch .bat files can be directly provided as input to the CreateProcess as if it is an executable. CreateProcess uses the cmd.exe automatically to run the input .cmd or .bat. Today, with the bulletin MS14-019 we are fixing a vulnerability, where in particular scenario it is...
Advance Notification Service for the April 2014 Security Bulletin Release
Today we provide advance notification for the release of four bulletins, two rated Critical and two rated Important in severity. These updates address issues in Microsoft Windows, Office and Internet Explorer. The update provided through MS14-017 fully addresses the Microsoft Word issue first...
Advance Notification Service for the March 2014 Security Bulletin Release
Today we provide advance notification for the release of five bulletins for March 2014, two rated Critical and thee rated Important in severity. These updates address issues in Microsoft Windows, Internet Explorer and Silverlight. The update provided in MS14-012 fully addresses the issue first...
Microsoft Releases Security Advisory 2934088
Today, we released Security Advisory 2934088 regarding an issue that impacts Internet Explorer 9 and 10. Internet Explorer 6, 7, 8 and 11 are not affected. At this time, we are only aware of limited, targeted attacks against Internet Explorer 10. This issue allows remote code execution if users...
Update (2/10) - Advance Notification Service for February 2014 Security Bulletin Release
Update as of February 10, 2014 We are adding two updates to the February release. There will be Critical-rated updates for Internet Explorer and VBScript in addition to the previously announced updates scheduled for release on February 11, 2014. These updates have completed testing and will be...
Omphaloskepsis and the December 2013 Security Update Release
There are times when we get too close to a topic. We familiarize ourselves with every aspect and nuance, but fail to recognize not everyone else has done the same. Whether you consider this myopia, navel-gazing, or human nature, the effect is the same. I recognized this during the recent webcast...
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...
Assessing risk for the November 2013 security updates
Today we released eight security bulletins addressing 19 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...
10 years of Update Tuesdays
On October 1, 2003, Microsoft announced it would move to a monthly security bulletin cadence. Today, marks 10 years since that first monthly security update. We looked at many ways to improve our security preparedness and patch timing was the number one customer request. Your feedback was clear a...
Congratulations to James Forshaw Recipient of Our First $100,000 Bounty for New Mitigation Bypass Techniques!
Congratulations to James Forshaw for coming up with a new exploitation technique to get our first ever $100,000 bounty. A security vulnerability researcher with Context Information Security, James already came in hot with design level bugs he found during the IE11 Preview Bug Bounty, and we’re...
An update on the bounty programs
Back in June of this year, we announced three new bounty programs that will pay researchers for techniques that bypass built-in OS mitigations and protections, for defenses that stop those bypasses and for vulnerabilities in Internet Explorer 11 Preview. This past Friday, we provided some...
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,...
Software Defense Series: Exploit mitigation and vulnerability detection
Software Defense is a broad topic requiring a multipronged approach including: - the processes and tooling associated with secure development that we try and encapsulate within the Microsoft SDL, - core OS countermeasures that make exploitation of a given vulnerability more difficult for an...
September 2013 Security Bulletin Webcast, Q&A, and Slide Deck
Today we’re publishing the September 2013 Security Bulletin Webcast Questions & Answers page. The majority of questions focused on Office bulletins, especially SharePoint Server MS13-067. We received multiple Office related questions that were very similar in nature, so the questions have been...
Leaving Las Vegas and the August 2013 security updates
Two weeks ago I, along with 7,500 of my closest friends, attended the Black Hat security conference in Las Vegas, NV. I can’t speak for everyone, but I certainly had a great – if not exhausting – time while there. While there were a lot of great talks, a personal highlight for me each year is the...
The story of MS13-002: How incorrectly casting fat pointers can make your code explode
C++ supports developers in object-orientated programming and removes from the developer the responsibility of dealing with many object-oriented programming OOP paradigm problems. But these problems do not magically disappear. Rather it is the compiler that aims to provide a solution to many of th...
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...
Java: A Fix it for when you cannot let go
There is much to say about the use of Java in both consumer and enterprise environments. Like any other platforms, it has both devoted supporters and fervent critics. But for most, Java is a requirement, a means to an end. In the past few years, Java as a platform has been the target of numerous...
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...
Exploring the cloud: How Matthew Jensen approaches Azure security research
For Matthew Jensen, a career in security wasn't part of some carefully planned roadmap...
Announcing the CVRF API 3.0 upgrade
At the Microsoft Security Response Center, we are committed to continuously improving the security and performance of our services to meet the evolving needs of our customers. We are excited to announce the rollout of the latest version of our Common Vulnerability Reporting CVRF API. This update...
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...
Best practices regarding Azure Storage Keys, Azure Functions, and Azure Role Based Access
Summary Azure provides developers and security operations staff a wide array of configurable security options to meet organizational needs. Throughout the software development lifecycle, it is important for customers to understand the shared responsibility model, as well as be familiar with vario...
Microsoft Mitigates Vulnerability in Jupyter Notebooks for Azure Cosmos DB
Summary Microsoft recently fixed an authentication bypass vulnerability in Jupyter Notebooks for Azure Cosmos DB currently in preview reported by Orca Security. Customers not using Jupyter Notebooks 99.8% of Azure Cosmos DB customers do NOT use Jupyter notebooks were not susceptible to 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...
Microsoft Mitigates Azure Site Recovery Vulnerabilities
Summary Microsoft recently mitigated a set of vulnerabilities in Azure Site Recovery ASR and released fixes today, July 12, as part of our regular Update Tuesday cycle. These vulnerabilities affect all ASR on-premises customers using a VMware/Physical to Azure scenario and are fixed in the latest...
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...
Expanding the Microsoft Researcher Recognition Program
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 expanding the program to recognize more...
Coming Soon: New Security Update Guide Notification System
Sharing information through the Security Update Guide is an important part of our ongoing effort to help customers manage security risks and keep systems protected. Based on your feedback we have been working to make signing up for and receiving Security Update Guide notifications easier. We are...
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...
Introducing Bounty Awards for Teams Mobile Applications Security Research
We are pleased to announce the addition of Microsoft Teams mobile applications to the Microsoft Applications Bounty Program. Through the expanded program we welcome researchers from across the globe to seek out and disclose any high impact security vulnerabilities they may find in Teams mobile...
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...
2021 年 2 月のセキュリティ更新プログラム (月例)
2021 年 2 月 10 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...
New and Improved Report Abuse Portal and API!
The Report Abuse CERT Portal and Report Abuse API have played a significant role in MSRC’s response to suspected cyberattacks, privacy issues, and abuse originating from Microsoft Online Services. With the contributions from our wonderful community of reporters, we continue to gain insightful...
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 ...
2020 年 11 月のセキュリティ更新プログラム (月例)
2020 年 11 月 11 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...
Control Flow Guard for Clang/LLVM and Rust
As part of our ongoing efforts towards safer systems programming, we’re pleased to announce that Windows Control Flow Guard CFG support is now available in the Clang C/C++ compiler and Rust. What is Control Flow Guard? CFG is a platform security technology designed to enforce control flow...
Black Hat 2020: See you in the Cloud!
It hardly feels like summer without the annual trip to Las Vegas for Black Hat USA. With this year’s event being totally cloud based, we won’t have the chance to catch up with security researchers, industry partners, and customers in person, an opportunity we look forward to every year. We’ll sti...
Top MSRC 2020 Q2 Security Researchers Announced – Congratulations!
We are excited to announce the top contributing researchers for the 2020 Second Quarter Q2! Congratulations to all the researchers who continue to rock the leaderboard, and a big thank you to everyone for your contribution to securing our customers and the ecosystem. The top three researchers of...
Security Update Validation Program (SUVP) のご紹介
本記事は、What is the Security Update Validation Program? の日本語抄訳です。 Security Update Validation Program は、マイクロソフトが毎月第二火曜 米国時間...
Solving Uninitialized Kernel Pool Memory on Windows
This blog post outlines the work that Microsoft is doing to eliminate uninitialized kernel pool memory vulnerabilities from Windows and why we’re on this path. For a background on why uninitialized memory matters and what options have been used in the past to tackle this issue, please see our...