#Security Vulnerability

CVE-2021-43222: Microsoft Message Queuing Information Disclosure Vulnerability

**What type of information could be disclosed by this vulnerability?** Exploiting this vulnerability could allow the disclosure of initialized or uninitialized memory in the process heap.

3 years ago

Microsoft Security Response Center

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CVE-2021-43217: Windows Encrypting File System (EFS) Remote Code Execution Vulnerability

**What is the attack vector for this vulnerability?** An attacker could cause a buffer overflow write leading to unauthenticated non-sandboxed code execution. **Does EFS need to be in use for this to be exploited?** No. EFS interfaces trigger a start to the EFS service if it isn’t already running. **How does Microsoft plan to address this vulnerability?** Microsoft is addressing the vulnerability in a phased two-part rollout. These updates address the vulnerability by modifying how EFS makes connections from client to server. For guidelines on how to manage the changes required for this vulnerability and more information on the phased rollout, see KB5009763: EFS security hardening changes in CVE-2021-43217. When the second phase of Windows updates become available in Q1 2022, customers will be notified via a revision to this security vulnerability. If you wish to be notified when these updates are released, we recommend that you register for the security notifications mailer to ...

3 years ago

Microsoft Security Response Center

Open in Source

#vulnerability #windows #microsoft #Windows Encrypting File System (EFS)#Security Vulnerability

CVE-2021-43216: Microsoft Local Security Authority Server (lsasrv) Information Disclosure Vulnerability

**What type of information could be disclosed by this vulnerability?** The type of information that could be disclosed if an attacker successfully exploited this vulnerability is Kernel memory read - unintentional read access to memory contents in kernel space from a user mode process.

3 years ago

Microsoft Security Response Center

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#vulnerability #microsoft #Microsoft Local Security Authority Server (lsasrv)#Security Vulnerability

CVE-2021-43876: Microsoft SharePoint Elevation of Privilege Vulnerability

**What privileges are required to exploit this vulnerability?** The attacker must be authenticated to the target site, with the rights to use the SharePoint Migration tool and the ability create a new SharePoint site collection.

3 years ago

Microsoft Security Response Center

Open in Source

#vulnerability #microsoft #Microsoft Office SharePoint #Security Vulnerability

CVE-2021-4066: Chromium: CVE-2021-4066 Integer underflow in ANGLE