Critical zero-days make September’s Patch Tuesday a ‘Patch

With 63 updates impacting Home windows, Microsoft Place of work and the Visual Studio and .Net platforms — and reviews of 3 publicly exploited vulnerabilities (CVE-2022-37969, CVE-2022-34713, CVE-2021-40444) — this month’s Patch Tuesday release gets a “Patch Now” precedence. Important testing locations include things like printing, Microsoft Term, and in basic application un-installations. (The Microsoft Place of work, .Web and browser updates can be included to your conventional launch schedules.)

You can come across much more details on the hazard of deploying these Patch Tuesday updates with this useful infographic.

Critical testing situations

Supplied the large variety of adjustments bundled in the September patch cycle, I have broken down the screening situations into high-danger and regular-possibility groups:

Substantial Possibility: These modifications are most likely to involve performance changes, may deprecate existing operation, and will most likely require the creation of new screening strategies:

  • Exam these newly-unveiled performance updates. You should connect a camera or cellphone to your Computer and use the Photos import purpose to import photographs and movies.
  • Fundamental printing assessments are required this thirty day period owing to features improvements in the Windows spooler controller.

The following updates are not documented as useful variations, but however call for a full check cycle:

  • Microsoft Place of work: Perform fundamental screening on Word, PowerPoint, and Excel with a concentration on SmartArt, diagrams, and legacy data files.
  • Examination your Windows mistake logs, as the Windows Widespread Log File system has been up to date.
  • Validate domain controller authentication and area connected expert services this sort of Group Managed Service accounts. Include on-premise and off-premise testing as perfectly.
  • Higher-period VPN tests is necessary, with VPN screening cycles that have to have to exceed 8 hours on equally servers and desktops. Take note: you will want to make certain that PKE fragmentation is enabled. We recommend the following PowerShell command: “HKLM:SYSTEMCurrentControlSetServicesRemoteAccessParametersIkev2” -Identify EnableServerFragmentation -PropertyType DWORD -Benefit 1 -Pressure Restart-Company remoteaccess

In addition to these improvements and screening demands, I have integrated some of the extra difficult testing situations for this update:

  • Examination any application making use of the OLE DB interface and sqloledb.dll to make databases connections. This process will involve an evaluation of your software portfolio, hunting for dependencies on the SQL OLE libraries and factors and targeted tests on software performance that makes use of these up to date functions.
  • Application un-installations will need testing owing to alterations in the Enterprise Software Administration windows element. The massive challenge listed here is to take a look at that an application package has been completely uninstalled from a device, this means all the files, registry, expert services and shortcuts have been eliminated. This contains all the to start with-run options and configuration facts linked to application. This is a difficult, time-consuming job that will require some automation to guarantee consistent benefits.

Screening these important and frequently current functions is now a fact of everyday living for most IT departments, necessitating devoted time, personal and specialised processes to make sure repeatable steady effects.

Regarded concerns

Every single thirty day period, Microsoft features a checklist of known difficulties that relate to the functioning technique and platforms integrated in this update cycle.

  • Microsoft SharePoint Server: Nintex Workflow clients should choose further motion after this protection update is put in to make absolutely sure workflows can be printed and operate. For a lot more information and facts, you should refer to this Microsoft support document. 
  • Following putting in KB5001342 or later, the Cluster Services could possibly are unsuccessful to commence simply because a Cluster Community Driver is not discovered. For additional data about the unique faults, bring about, and workaround, see KB5003571.
  • Some organization customers may perhaps nonetheless be experiencing troubles with XPS Viewers. A handbook re-set up will very likely solve the issue.

Starting up at 12 a.m. Saturday, Sept.10, the official time in Chile advanced 60 minutes in accordance with the Aug. 9 announcement by the Chilean authorities of a daylight-conserving time (DST) time zone transform. This moved the DST shift from Sept. 4 to Sept. 10 the time improve will have an impact on Home windows apps, timestamps, automation, workflows, and scheduled tasks. (Authentication processes that count on Kerberos may also be afflicted.)

Big revisions

As of Sept. 16, Microsoft has not printed any main revisions to its safety advisories.

Mitigations and workarounds

There are 4 mitigations and workarounds incorporated in this Patch Tuesday release, such as:

Every single month, we break down the update cycle into solution households (as described by Microsoft) with the next fundamental groupings:

  • Browsers (Microsoft IE and Edge)
  • Microsoft Home windows (the two desktop and server)
  • Microsoft Office
  • Microsoft Trade
  • Microsoft Enhancement platforms ( ASP.Internet Main, .Internet Main and Chakra Core)
  • Adobe (retired???, probably up coming 12 months).


Microsoft has unveiled a solitary update to the Edge browser (CVE-2022-38012) that has been rated as small ,even however it could direct to distant code execution state of affairs thanks to its difficult exploitation chain. In addition, there are 15 updates to the Chromium venture. Marginally out of sync with Patch Tuesday, Microsoft launched the hottest edition of the Edge Steady channel on Sept. 15 that includes a resolve for CVE-2022-3075. You can examine a lot more about this update’s release notes and can locate out a lot more about Chromium updates. Add these reduced-profile browser updates to your normal release agenda.

Observe: you will have to deploy a independent application update to Edge — this may well have to have more software packaging, testing, and deployment.


Microsoft tackled a few critical issues (CVE-2022-34718, CVE-2022-34721 and CVE-2022-34722) and 50 difficulties rated crucial this thirty day period. This is yet another broad update that covers the next critical Windows options:

  • Windows Networking (DNS, TLS and the TCP/IP stack)
  • Cryptography (IKE extensions and Kerberos)
  • Printing (all over again)
  • Microsoft OLE
  • Distant Desktop (Link Supervisor and API’s).

For Windows 11 buyers, here is this month’s Windows 11 video clip update. The a few essential updates all have NIST ratings of 9.8 (out of 10). Coupled with the three exploited vulnerabilities (CVE-2022-37969, CVE-2022-34713, CVE-2021-40444) these make this month’s Home windows update a “Patch Now” launch.

Microsoft Office

Microsoft produced 7 safety patches to the Office platform impacting Visio, PowerPoint, SharePoint and SharePoint Server. The Microsoft Visio and PowerPoint updates are reduced-profile deployments that should be added to your typical Business update schedules. The SharePoint Server updates (CVE-2022-38008 and CVE-2022-37961) are not rated critical, but they could lead to a remote code execution circumstance (while difficult to exploit). We advocate including these two updates to your server update agenda, noting that all patched SharePoint Servers will have to have a restart.

Microsoft Exchange Server

The good thing is for us (and all IT admins) Microsoft has not published any security advisories for Microsoft Trade products and solutions this thirty day period.

Microsoft Advancement Platforms

Microsoft printed a few updates rated significant for their developer equipment platform (CVE-2022-26929, CVE-2022-38013 and CVE-2022-38020) influencing Microsoft .Web and the Visible Studio system. These three updates are somewhat very low hazard to deploy and really should be additional to your common developer launch program.

Adobe (genuinely just Reader)

Adobe released 6 stability bulletins affecting: Animate, Bridge, Illustrator, InCopy, InDesign and RoboHelp. Nonetheless, there were no updates to Adobe Reader or other linked PDF merchandise. This could be the final result of Adobe remaining usually engaged with the $20 billion acquire of Figma.

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