1375 matches found
Microsoft’s Response to CVE-2022-22965 Spring Framework
Summary Microsoft used the Spring Framework RCE, Early Announcement to inform analysis of the remote code execution vulnerability, CVE-2022-22965, disclosed on 31 Mar 2022. We have not to date noted any impact to the security of our enterprise services and have not experienced any degraded servic...
Guidance for Azure Active Directory (AD) keyCredential property Information Disclosure in Application and Service Principal APIs
Microsoft recently mitigated an information disclosure issue, CVE-2021-42306, to prevent private key data from being stored by some Azure services in the keyCredentials property of an Azure Active Directory Azure AD Application and/or Service Principal, and prevent reading of private key data...
Windows Print Spooler の脆弱性情報 (CVE-2021-34527) に対するセキュリティ更新プログラムの定例外での公開
2021 年 7 月 7 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定例外で公...
Customer Guidance for Reported Zero-day Vulnerabilities in Microsoft Exchange Server
November 8, 2022 update - Microsoft released security updates for CVE-2022-41040 and CVE-2022-41082. We recommend that customers protect their organizations by applying the updates immediately to affected systems. The options described in the Mitigations section are no longer recommended. For mor...
Vulnerability mitigated in the third-party Data Connector used in Azure Synapse pipelines and Azure Data Factory (CVE-2022-29972)
Summary Microsoft recently mitigated a vulnerability in Azure Data Factory and Azure Synapse pipelines. The vulnerability was specific to the third-party Open Database Connectivity ODBC driver used to connect to Amazon Redshift in Azure Synapse pipelines and Azure Data Factory Integration Runtime...
Additional Guidance Regarding OMI Vulnerabilities within Azure VM Management Extensions
Last updated on October 5, 2021: See revision history located at the end of the post for changes. On September 14, 2021, Microsoft released fixes for three Elevation of Privilege EoP vulnerabilities and one unauthenticated Remote Code Execution RCE vulnerability in the Open Management...
2019 年 8 月のセキュリティ更新プログラム (月例)
2019 年 8 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た。 The post 2019 年 8 月のセキュリティ更新プログラム 月例 appeared first on Microsoft Security Response Center...
A deep dive into MUTZ
AtDEF CON 33, we shared our research into MapUrlToZone, a critical Windows security component that determines whether a given path is local, on the intranet, or on the broader Internet. This classification drives several security decisions across Windows, for example, preventing a CreateFile call...
Congratulating Our Top MSRC 2021 Q1 Security Researchers!
We’re excited to announce the top contributing researchers for the 2021 First Quarter Q1! 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 ecosystem. The top three researchers of the 2021 Q...
MSRC is going to ROOTCON!
The Microsoft Security Response Center MSRC works with partners all over the world to protect Microsoft customers. This week we’re headed to the Philippines to meet security researchers and bounty hunters at ROOTCON 13! Planning on attending ROOTCON? If you want to learn more about how you can ea...
2023 年 3 月のセキュリティ更新プログラム (月例)
2023 年 3 月 14 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...
TCP/IP に影響を与える脆弱性情報に関する注意喚起
「Multiple Security Updates Affecting TCP/IP: CVE-2021-24074, CVE-2021-24094, and CVE-2021-24086」の日本語抄訳です。 2021 年 2 月 9 日 日本時...
Meet the MSRC at Black Hat 2019
We’re getting close to Black Hat, and we hope to see you there. Here’s where you can find members of the Microsoft Security Response Center if you’d like to say hello, ask a question about a report you made, discuss a recent blog article, or just show us pictures of your dog. Wednesday, August 7 ...
Awareness and guidance related to potential Service Fabric Explorer (SFX) v1 web client risk
Summary Microsoft was recently made aware of a Cross-Site Scripting XSS vulnerability CVE-2022-35829, that under limited circumstances, affects older versions of Service Fabric Explorer SFX. The current default SFX web client SFXv2 is not vulnerable to this attack. However, customers can manually...
Out-of-Band (OOB) Security Update available for CVE-2021-34527
Today Microsoft released an Out-of-Band OOB security update for CVE-2021-34527, which is being discussed externally as PrintNightmare. This is a cumulative update release, so it contains all previous security fixes and should be applied immediately to fully protect your systems. The fix that we...
Investigating and Mitigating Malicious Drivers
The security landscape continues to rapidly evolve as threat actors find new and innovative methods to gain access to environments across a wide range of vectors. As the industry moves closer to the adoption of a Zero Trust security posture with broad and layered defenses, we remain committed to...
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 ...
Vulnerability Descriptions in the New Version of the Security Update Guide
With the launch of the new version of the Security Update Guide, Microsoft is demonstrating its commitment to industry standards by describing the vulnerabilities with the Common Vulnerability Scoring System CVSS. This is a precise method that describes the vulnerability with attributes such as t...
Corporate IoT – a path to intrusion
Several sources estimate that by the year 2020 some 50 billion IoT devices will be deployed worldwide. IoT devices are purposefully designed to connect to a network and many are simply connected to the internet with little management or oversight. Such devices still must be identifiable,...
Prevent the impact of a Linux worm by updating Exim (CVE-2019-10149)
This week, MSRC confirmed the presence of an active Linux worm leveraging a critical Remote Code Execution RCE vulnerability, CVE-2019-10149, in Linux Exim email servers running Exim version 4.87 to 4.91. Microsoft Azure infrastructure and Services are not affected; only customer’s Linux IaaS...
December 2018 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...
Standing behind “MSRC Listens”
Last week at BlueHat’s “MSRC Listens” session, I took the stage with Mechele Gruhn, manager of the Vulnerability Response PM team, to explain how MSRC is changing our communication, workflows, and tooling to deliver an improved user experience for our partners in the security research community. ...
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...
CVE-2022-22965 Spring Framework に対するマイクロソフトの対応
本ブログは、Microsoft’s Response to CVE-2022-22965 Spring Framework 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...
Netlogon Domain Controller Enforcement Mode is enabled by default beginning with the February 9, 2021 Security Update, related to CVE-2020-1472
Microsoft addressed a Critical RCE vulnerability affecting the Netlogon protocol CVE-2020-1472 on August 11, 2020. We are reminding our customers that beginning with the February 9, 2021 Security Update release we will be enabling Domain Controller enforcement mode by default. This will block...
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...
February 2019 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...
August 2018 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...
Mitigation for Azure Storage SDK Client-Side Encryption Padding Oracle Vulnerability
Summary Summary Google informed Microsoft under Coordinated Vulnerability Disclosure CVD of a padding oracle vulnerability that may affect customers using Azure Storage SDK for Python, .NET, Java client-side encryption CVE-2022-30187. To mitigate this vulnerability, we released a new General...
Guidance for CVE-2022-23278 spoofing in Microsoft Defender for Endpoint
Microsoft released a security update to address CVE-2022-23278 in Microsoft Defender for Endpoint. This important class spoofing vulnerability impacts all platforms. We wish to thank Falcon Force for the collaboration on addressing this issue through coordinated vulnerability disclosure...
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...
Introducing Bounty Awards for Teams Desktop Client Security Research
Partnering with the security research community is an important part of Microsoft’s holistic approach to defending against security threats. As much of the world has shifted to working from home in the last year, Microsoft Teams has enabled people to stay connected, organized, and collaborate...
October 2018 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 in the Security Update Guide. MSRC team...
September 2018 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 in the Security Update Guide. MSRC team...
Advance Notification Service for the June 2014 Security Bulletin Release
Today we provide advance notification for the release of seven Bulletins, two rated Critical and five rated Important in severity. These Updates are for Microsoft Windows, Microsoft Office and Internet Explorer. The Update for Internet Explorer addresses CVE-2014-1770, which we have not seen used...
Building the Azure IoT Edge Security Daemon in Rust
Azure IoT Edge is an open source, cross platform software project from the Azure IoT team at Microsoft that seeks to solve the problem of managing distribution of compute to the edge of your on-premise network from the cloud. This post explains some of the rationale behind our choice of Rust as t...
November 2018 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...
The Making of the Top 100 Researcher List
At Black Hat USA each year, we unveil the Top 100 Security Researcher list to reflect the amazing engagement we get from the community. During this period, we had several thousand researchers engage with the Microsoft Security Response Center MSRC. We appreciate all the partnership and coordinati...
Analysis and mitigation of speculative store bypass (CVE-2018-3639)
In January, 2018, Microsoft published an advisory and security updates for a new class of hardware vulnerabilities involving speculative execution side channels known as Spectre and Meltdown. In this blog post, we will provide a technical analysis of an additional subclass of speculative executio...
Recognizing Q3 Top 5 Bounty Hunters
Throughout the year, security researchers submit some amazing work to us under the Microsoft Bug Bounty program. Starting this quarter, we want to give a shout out to and acknowledge the hard work and dedication of the following individuals and companies who have contributed to securing Microsoft...
April 2018 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...
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...
“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...
Customer Guidance on Recent Nation-State Cyber Attacks
Note: we are updating as the investigation continues. Revision history listed at the bottom. This post contains technical details about the methods of the actor we believe was involved in Recent Nation-State Cyber Attacks, with the goal to enable the broader security community to hunt for activit...
Using Rust in Windows
This Saturday 9th of November, there will be a keynote from Microsoft engineers Ryan Levick and Sebastian Fernandez at RustFest Barcelona. They will be talking about why Microsoft is exploring Rust adoption, some of the challenges we’ve faced in this process, and the future of Rust adoption in...
MSRC is going to ROOTCON!
The Microsoft Security Response Center MSRC works with partners all over the world to protect Microsoft customers. This week we’re headed to the Philippines to meet security researchers and bounty hunters at ROOTCON 13! Planning on attending ROOTCON? If you want to learn more about how you can ea...
Microsoft addresses App Installer abuse
28 October 2024 Update Microsoft disabled the ms-appinstaller URI scheme handler by default in App Installer on 28 December 2023 as a security response to protect customers from attackers’ evolving techniques against previous safeguards for CVE-2021-43890. Microsoft is pleased to announce that we...
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...
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...
Mitigation for Azure Storage SDK Client-Side Encryption Padding Oracle Vulnerability
Summary: Google informed Microsoft under Coordinated Vulnerability Disclosure CVD of a padding oracle vulnerability that may affect customers using Azure Storage SDK for Python, .NET, Java client-side encryption CVE-2022-30187. To mitigate this vulnerability, we released a new General Availabilit...