An issue was discovered in certain Apple products. iOS before 11.2 is affected. Safari before 11.0.2 is affected. iCloud before 7.2 on Windows is affected. iTunes before 12.7.2 on Windows is affected. tvOS before 11.2 is affected. watchOS before 4.2 is affected. The issue involves the "WebKit" component. It allows remote attackers to spoof user-interface information (about whether the entire content is derived from a valid TLS session) via a crafted web site that sends a 401 Unauthorized redirect.

Adobe RoboHelp has an Open Redirect vulnerability. This affects versions before RH12.0.4.460 and RH2017 before RH2017.0.2.

Microsoft Edge (Chromium-based) Elevation of Privilege Vulnerability

Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and 2017.011.30188 (and earlier) are missing support for an integrity check. An unauthenticated attacker would have the ability to completely manipulate data in a certified PDF without invalidating the original certification. Exploitation of this issue requires user interaction in that a victim must open the tampered file.

Improper input validation vulnerability in XPLATFORM's execBrowser method can cause execute arbitrary commands. IF the second parameter value of the execBrowser function is ‘default’, the first parameter value could be passed to the ShellExecuteW API. The passed parameter is an arbitrary code to be executed. Remote attackers can use this vulnerability to execute arbitrary remote code.

Microsoft SharePoint Server Spoofing Vulnerability

Microsoft Edge (Chromium-based) Security Feature Bypass Vulnerability

Open redirect via user-controlled query parameter. The following products are affected: Acronis Cyber Protect 15 (Linux, Windows) before build 29240

Microsoft Defender for Endpoint on Android Spoofing Vulnerability

NuGet Gallery is a package repository that powers nuget.org. The NuGetGallery has a security vulnerability in its handling of HTML element attributes, which allows an attacker to execute arbitrary HTML or Javascript code in a victim's browser.

Skype for Business and Lync Spoofing Vulnerability

<p>A spoofing vulnerability exists in Microsoft Exchange Server which could result in an attack that would allow a malicious actor to impersonate the user.</p> <p>This update addresses this vulnerability.</p> <p>To prevent these types of attacks, Microsoft recommends customers to download inline images from different DNSdomains than the rest of OWA. Please see further instructions in the FAQ to put in place this mitigations.</p>

Microsoft Exchange Server 2016 CU5 and Microsoft Exchange Server 2016 CU5 allow a spoofing vulnerability due to the way Outlook Web Access (OWA) validates web requests, aka "Microsoft Exchange Spoofing Vulnerability".