CVE-2019-1125

An information disclosure vulnerability exists when certain central processing units CPU speculatively access memory. An attacker who successfully exploited the vulnerability could read privileged data across trust boundaries. To exploit this vulnerability, an attacker would have to log on to an...

Energy Sector Phish Swims Past Microsoft Email Security via Google Drive

A targeted spearphishing campaign has hit an organization in the energy sector – after using a savvy trick to get around the company’s Microsoft email security stack. According to Aaron Riley, a researcher from Cofense, the campaign impersonated the CEO of the targeted company, sending email via...

Microsoft Releases Security Updates to Address Remote Code Execution Vulnerabilities

Microsoft has released security updates to address two remote code execution vulnerabilities, CVE-2019-1181 and CVE-2019-1182, in the following operating systems: Windows 7 SP1 Windows Server 2008 R2 SP1 Windows Server 2012 Windows 8.1 Windows Server 2012 R2 Windows 10 Windows Server 2016 Windows...

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 ...

A proactive approach to more secure code

What if we could eliminate an entire class of vulnerabilities before they ever happened? Since 2004, the Microsoft Security Response Centre MSRC has triaged every reported Microsoft security vulnerability. From all that triage one astonishing fact sticks out: as Matt Miller discussed in his 2019...

Microsoft Releases Security Updates for PowerShell Core

Microsoft has released updates to address a vulnerability in PowerShell Core versions 6.1 and 6.2. An attacker could exploit this vulnerability to take control of an affected system. The Cybersecurity and Infrastructure Security Agency CISA encourages users and administrators to review the...

July 9, 2019 — KB4507419 Cumulative Update for .NET Framework 3.5, 4.7.2, 4.8 for Windows 10, version 1809 and Windows Server 2019

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July 9, 2019 — KB4506991 Cumulative Update for .NET Framework 3.5 and 4.8 for Windows 10, version 1903

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July 9, 2019 — KB4506988 Cumulative Update for .NET Framework 4.8 for Windows 10, version 1709

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Description of the security update for SharePoint Foundation 2010: July 9, 2019

Description of the security update for SharePoint Foundation 2010: July 9, 2019 Summary This security update resolves an Authentication Bypass vulnerability that allows SAML tokens to be signed by using arbitrary symmetric keys in Windows Communication Foundation WCF and Windows Identity Foundati...

Inside the MSRC – Anatomy of a SSIRP incident

This is the second in a series of blog posts that shares how the MSRC responds to elevated threats to customers through the Software and Services Incident Response Plan SSIRP. In our last blog post, we looked at the history of the Microsoft Security Response Center and SSIRP, and how Microsoft...

Inside the MSRC – Anatomy of a SSIRP incident

This is the second in a series of blog posts that shares how the MSRC responds to elevated threats to customers through the Software and Services Incident Response Plan SSIRP. In ourlast blog post, we looked at the history of the Microsoft Security Response Center and SSIRP, and how Microsoft tak...

Inside the MSRC – Anatomy of a SSIRP incident

This is the second in a series of blog posts that shares how the MSRC responds to elevated threats to customers through the Software and Services Incident Response Plan SSIRP. In ourlast blog post, we looked at the history of the Microsoft Security Response Center and SSIRP, and how Microsoft tak...

Inside the MSRC – Customer-centric incident response

The Microsoft Security Response Center MSRC is an integral part of Microsoft’s Cyber Defense Operations Center CDOC that brings together security response experts from across the company to help protect, detect, and respond to threats in real-time. Staffed with dedicated teams 24×7, the CDOC has...

CVE-2019-1054: Undefined Security Weakness

A security feature bypass vulnerability exists in Edge that allows for bypassing Mark of the Web Tagging MOTW. Failing to set the MOTW means that a large number of Microsoft security technologies are bypassed. In a web-based attack scenario, an attacker could host a malicious website that is...

Hacker Discloses Second Zero-Day to Bypass Patch for Windows EoP Flaw

An anonymous security researcher going by the name of SandboxEscaper today publicly shared a second zero-day exploit that can be used to bypass a recently patched elevation of privilege vulnerability in the Microsoft Windows operating system. SandboxEscaper is known for publicly dropping zero-day...

Time travel debugging: It’s a blast! (from the past)

The Microsoft Security Response Center MSRC works to assess vulnerabilities that are externally reported to us as quickly as possible, but time can be lost if we have to confirm details of the repro steps or environment with the researcher to reproduce the vulnerability. Microsoft has made our...

Announcing the all new Attack Surface Analyzer 2.0

Few of us know what is really happening on our systems when we install new software from new or untrusted sources. This is important because most installation processes require elevated privileges, which can lead to undesired system configuration changes. Knowing what changes have been made is...

CVE-2019-0708: Windows RDP service worms level vulnerability alerts-a vulnerability alert-the black bar safety net

2019 5 May 14, Microsoft officially released security patches, repair the Windows Remote Desktop service remote code execution vulnerability, the vulnerability affects some older versions of Windows system. This vulnerability is pre-authentication and without user interaction, this means that thi...

Microsoft emergency release CVE-2019-0708 vulnerability fixes-bug warning-the black bar safety net

2019 5 on 14 September, Microsoft is the emergency release for the Remote Desktop service Remote Desktop Service, RDP, previously known as Terminal Services remote code execution vulnerability CVE-2019-0708 fix, the vulnerability affects some older versions of Windows system such as Windows XP,...