Microsoft Edge 92.0.902.55: Fixes vulnerabilities, causes freezes in PDFs

Edge[German]Following the Chrome update, Microsoft has also updated the Edge browser and raised it to version 92.0.902.55 on July 22, 2021. The update fixes various vulnerabilities that have already been fixed in Google Chrome. Addendum: This Edge version causes a freeze when opening PDF files, see Inside.


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The information available on this page names CVE-2021-36928, CVE-2021-36929 and CVE-2021-36931, and the browser should be updated automatically. The browser should be updated automatically. Here is an excerpt from Microsoft’s security advisories on the subject:

************************************************************************
Title: Microsoft Security Update Releases
Issued: July 22, 2021
************************************************************************

Summary
=======

The following Chrome CVEs have been released on July 22, 2021.

* CVE-2021-36928
* CVE-2021-36929
* CVE-2021-36931

CVE-2021-36928 | Microsoft Edge (Chromium-based) Elevation of Privilege Vulnerability
– Version 1.0
– Reason for Revision: Information published.
– Originally posted: July 22, 2021
– Updated: N/A
– Aggregate CVE Severity Rating: Important


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CVE-2021-36929 | Microsoft Edge (Chromium-based) Information Disclosure Vulnerability
– Version 1.0
– Reason for Revision: Information published.
– Originally posted: July 22, 2021
– Updated: N/A
– Aggregate CVE Severity Rating: Important

CVE-2021-36931 | Microsoft Edge (Chromium-based) Elevation of Privilege Vulnerability
– Version 1.0
– Reason for Revision: Information published.
– Originally posted: July 22, 2021
– Updated: N/A
– Aggregate CVE Severity Rating: Important

The following CVEs were assigned by Chrome. Microsoft Edge
(Chromium-based) ingests Chromium, which addresses these vulnerabilities. Please see
Google Chrome Releases (https://chromereleases.googleblog.com/2021) for more information.

See Link for more information about third-party CVEs in the Security Update Guide.

* CVE-2021-30565
* CVE-2021-30566
* CVE-2021-30567
* CVE-2021-30568
* CVE-2021-30569
* CVE-2021-30571
* CVE-2021-30572
* CVE-2021-30573
* CVE-2021-30574
* CVE-2021-30575
* CVE-2021-30576
* CVE-2021-30577
* CVE-2021-30578
* CVE-2021-30579
* CVE-2021-30580
* CVE-2021-30581
* CVE-2021-30582
* CVE-2021-30583
* CVE-2021-30584
* CVE-2021-30585
* CVE-2021-30586
* CVE-2021-30587
* CVE-2021-30588
* CVE-2021-30589

Revision Information:
=====================

– Version 1.0
– Reason for Revision: Information published.
– Originally posted: July 22, 2021

The feature updates for Edge 92.0.902.55 are described here.

Freezes when viewing PDFs

However, it looks like this Edge update is causing the browser to freeze when users try to open PDF files. German blog reader Stefan left a comment regarding this issue.

We are experiencing a sudden increase in problems with the browser freezing for some users when they want to open PDF files in some web portals.

On reddit.com I have found another people who have the same problems. The thread starter wrote:

Microsoft Edge crash/freeze on opening PDF’s

Came back to work after a wonderful weekend. Phone is ringing continuesly. Multiple people calling for help, that Microsoft Edge is crashing on opening PDF’s.

Everything was working perfectly on friday! (We are on 20H2, Build 19042.1110)

It seems like Microsoft released an update 92 (92.0.902.55) this weekend. That’s the only difference between now and last friday in my environment.

It doesn’t make a difference, if PDF’s are opened from a website, local storage or from an email. Does anyone have similar problems, opening PDF’s directly in the browser?

In the reddit.com thread, more users confirm the problem.


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5 Responses to Microsoft Edge 92.0.902.55: Fixes vulnerabilities, causes freezes in PDFs

  1. EP says:

    no such problems opening PDF files in MS Edge 92.0.902.55 on my end, guenni
    though running Win10 LTSC 2019 v1809 build 17763.2061
    might have to check my other PCs that are running Win10 21H1 or 21H2 build 1904x.1149 to see if Edge 92.0.902.55 works with opening pdf files

  2. Fafik says:

    Yes, also for me, from Monday 200+ workstations W10 20H1 20H2 will freeze when opening the PDF in Edge, on Friday OK. :(

  3. paul says:

    yes also for me
    had enough of MS: they fix one thing and mess of something else

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  5. Gary R says:

    Recently my computer keeps freezing, locking up every time I try to open or print a pdf.
    How can I fix this problem…
    Using the forced microsift edge browser with windows 10
    Everything was working fine until recently. I am guessing some automatic up-date has caused this new problem. I have to open task manager and force close microsoft edge to get my computer working again.
    I use pdf files for so many things and now I can’t.

  6. Koen Hollander says:

    Just a quick advice. Edge does not really freezes, but the proces is suspended.
    When you really need the PDF file you can resume the proces from the Resource Monitor in the Task Manager. But after that Edge will close within 1 minute without any promt.

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