#microsoft

Once attackers have control over a workload in the cluster, they can leverage access for lateral movement both inside the cluster and to external resources.

# Microsoft Security Advisory CVE-2024-21409 | .NET Elevation of Privilege Vulnerability ## <a name="executive-summary"></a>Executive summary Microsoft is releasing this security advisory to provide information about a vulnerability in .NET 6.0, .NET 7.0 ,and .NET 8.0. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability. A use-after-free vulnerability exists in WPF which may result in Elevation of Privilege when viewing untrusted documents. This is a Windows only vulnerability. ## Announcement Announcement for this issue can be found at https://github.com/dotnet/announcements/issues/303 ## <a name="mitigation-factors"></a>Mitigation factors This vulnerability affects only WPF-based applications. ## <a name="affected-software"></a>Affected software * Any .NET 7.0 application running on .NET 6.0.28 or earlier. * Any .NET 7.0 application running on .NET 7.0.17 or earlier. * Any .NET 8.0 application running on .N...

One of Silicon Valley’s most influential lobbying arms joins privacy reformers in a fight against the Biden administration–backed expansion of a major US surveillance program.

A native-first approach delivers better protections and a more efficient use of resources than best-of-breed solutions, benefiting cloud service providers and end-user customers alike.

The documents contained malicious VBA code, indicating they may be used as lures to infect organizations.

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 2024 Q1 Security Researcher Leaderboard are Yuki Chen, VictorV, and Nitesh Surana! Check out the full list of researchers recognized this quarter here.

>[!IMPORTANT] >**ONLY** applications targeting Xamarin Android and .NET Android (MAUI) are impacted. All others can safely dismiss this CVE. ### Impact [MSAL.NET](https://www.nuget.org/packages/Microsoft.Identity.Client/) applications targeting Xamarin Android and .NET Android (e.g., MAUI) using the library from versions `4.48.0` to `4.60.3` (inclusive, except `4.59.1` and `4.60.3`) are impacted by a low severity vulnerability. A malicious application running on a customer Android device can cause local denial of service against applications that were built using MSAL.NET for authentication on the same device (i.e., prevent the user of the legitimate application from logging in) due to incorrect activity export configuration. ### Patches MSAL.NET version 4.60.3 includes the fix. We recommend all users of MSAL.NET that are building public client applications for Android update to the latest version. ### Workarounds We recommend developers update to the latest version of MSA...

A third-party telephony service provider for Cisco Duo falls prey to social engineering, and the company advises customer vigilance against subsequent phishing attacks.

Microsoft has stumbled through a series of major cybersecurity failures over the past few years. Experts say the US government’s reliance on its systems means the company continues to get a free pass.

Plus: Apple warns iPhone users about spyware attacks, CISA issues an emergency directive about a Microsoft breach, and a ransomware hacker tangles with an unimpressed HR manager named Beth.