UPDATE MICROSOFT OFFICE PATCH
The KB5014699 update's patch notes don't mention Follina, but Sophos reports that further tests indicate the bug no longer works after installing the update. Researchers alerted Microsoft of Follina in April but initially, it didn't consider the exploit a critical security threat - tracked as CVE-2022-30190. Get information about features, updates for Office products, including Microsoft 365 Apps, Office for Mac, Office Server products, and perpetual versions of. Earlier this month, Proofpoint blocked a Follina attack targeting European Union and US local governments, which it suspects came from a state actor. Another attack in May targeted users in Belarus. But still not listed as a security fix in the June 2022 security bulletin… Ĭhinese hackers used the exploit against members of the Tibetan diaspora.
UPDATE MICROSOFT OFFICE INSTALL
No update -> calc popped / install update -> troubleshooter errored out / rollback -> moar calc. Users could trigger it by simply opening a compromised document in Windows Explorer's preview pane. Even Office's Protected Mode - designed to stop malicious code embedded in documents - couldn't stop Follina.
It was particularly dangerous because Windows Defender didn't protect against it, and it didn't need elevated privileges or Office macros to work.
UPDATE MICROSOFT OFFICE WINDOWS 10
The exploit affected Office 2013, 2016, 2019, 2021, and some versions of Microsoft 365 on Windows 10 and 11.įollina worked through Microsoft Diagnostic Tool to retrieve an HTML file from a remote web server and then used ms-msdt MSProtocol Uniform Resource Identifier to run Powershell code. This can be Word, Excel, or PowerPoint and you will need to. Testing performed by Sophos confirms that Tuesday's KB5014699 Windows update neutralizes the Follina exploit, which allowed malicious Microsoft Word files to execute Powershell commands on target systems. To update your 2010 version of Microsoft Office you will first need to open an Office application. Researchers say this week's Patch Tuesday has neutralized the vulnerability that state-backed hackers had exploited. To download an update, select the corresponding Knowledge Base article in the following list, and then go to the "How to download and install the update" section of the article.What just happened? A severe Microsoft Office vulnerability has allowed attackers to execute code on target systems that bypass most security measures for at least a month. To download an update, select the corresponding Knowledge Base article in the following list, and then go to the. We recommend that you install all updates that apply to you. These updates are intended to help our customers keep their computers up-to-date. We recommend that you install all updates that apply to you. Microsoft released the following security and nonsecurity updates for Office in May 2022. Microsoft released the following security and nonsecurity updates for Office in March 2022. Under Choose how updates are installed, choose the options that you want, including. Office Standard 2016 Office Professional 2016 Office Professional Plus 2016 Office Home and Business 2016 Office Home and Student 2016 Microsoft SharePoint Server 2013 Service Pack 1 Word 2016 Word 2013 Microsoft SharePoint Foundation 2013 Service Pack 1 Microsoft Project Server 2013 Service Pack 1 SharePoint Server Subscription Edition SharePoint Server 2019 SharePoint Server 2016 Skype for Business 2016 More. Open Windows Update by choosing Start > Settings > Update and security.
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