Security News
Microsoft is investigating an issue causing Outlook search not to display recent emails in desktop apps running on Windows 11 systems. "When searching in Outlook Desktop on Windows 11 you might not see the most recent emails in the search results," Microsoft explains.
Cybersecurity researchers are drawing attention to an ongoing wave of attacks linked to a threat cluster tracked as Raspberry Robin that's behind a Windows malware with worm-like capabilities. The infections involve a worm that propagates over removable USB devices containing malicious a.LNK file and leverages compromised QNAP network-attached storage devices for command-and-control.
Microsoft has released an update for the Windows Subsystem for Android, allowing all Windows 11 Insiders to use their VPN's IP address with Android apps. In May, Microsoft introduced a new 'Advanced Networking' feature to Windows 11 builds on the Dev channel, which made the Windows Subsystem for Android virtual machine and host share the same IP address.
A new ransomware operation called RedAlert, or N13V, encrypts both Windows and Linux VMWare ESXi servers in attacks on corporate networks. The Linux encryptor is created to target VMware ESXi servers, with command-line options that allow the threat actors to shut down any running virtual machines before encrypting files.
Microsoft has confirmed it fixed a previously disclosed 'ShadowCoerce' vulnerability as part of the June 2022 updates that enabled attackers to target Windows servers in NTLM relay attacks. This NTLM relay attack method can be used by threat actors to force unpatched servers to authenticate against servers under the attacker's control, leading to a takeover of the Windows domain.
Microsoft says that a recently spotted Windows worm has been found on the networks of hundreds of organizations from various industry sectors. Cybersecurity firm Sekoia also observed it using QNAP NAS devices as command and control servers servers in early November [PDF], while Microsoft said it found malicious artifacts linked to this worm created in 2019.
CISA has re-added a security bug affecting Windows devices to its list of bugs exploited in the wild after removing it in May due to Active Directory certificate authentication issues caused by Microsoft's May 2022 updates. The flaw is an actively exploited Windows LSA spoofing vulnerability tracked as CVE-2022-26925 and confirmed to be a new PetitPotam Windows NTLM Relay attack vector.
Microsoft has reminded customers that Windows Server 2012/2012 R2 will reach its extended end-of-support date next year, on October 10, 2023. Released in October 2012, Windows Server 2012 has entered its tenth year of service and has already reached the mainstream end date over three years ago, on October 9, 2018.
Microsoft has released the optional KB5014666 Preview cumulative update for Windows 10 20H2, Windows 10 21H1, and Windows 10 21H2. This update includes numerous bug fixes and new, unexpected printing features. The KB5014666 cumulative update preview is part of Microsoft's June 2022 monthly "C" update, allowing admins to test fixes in the July 2022 Patch Tuesday.
Microsoft has finally confirmed Internet connectivity issues affecting servers with Routing and Remote Access Service enabled after installing Windows updates released as part of this month's Patch Tuesday. Microsoft has now revealed that these issues have been addressed in last week's optional Windows cumulative update previews.