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Microsoft Patch Tuesday
December 2022

Microsoft's December 2022 Patch Tuesday fixes 49 vulnerabilities across Windows, Microsoft Office and Developer Tools - 6 rated Critical, 1 publicly disclosed before the patch shipped, one already exploited in the wild. Patch CVE-2022-44698 first.

Released December 13, 2022, 10:00 PT1 actively exploited1 publicly disclosed69 KB articles to deploy

December 2022 Patch Tuesday at a glance

49
Microsoft CVEs
excl. Edge & Azure Linux
6
Critical
12% of the release
1
Actively exploited
CVE-2022-44698
1
Publicly disclosed
known before the patch
8.8
Highest CVSS
CVE-2022-44690
69
KB articles
what you actually deploy

Why this number differs from other roundups. Microsoft's December 2022 release document lists 161 entries. 82 are Azure Linux (Mariner) OS package updates and 30 are republished Chromium fixes for Edge - neither is a Microsoft product vulnerability. The 49 above is the real Patch Tuesday set. See the breakdown →

Priority order

Patch these first

Ranked by exploitation reality, not score alone. This month's exploited flaw is rated Moderate - a severity-sorted list would bury it.

The numbers

What’s in this release

Where the 161 entries actually come from

Most roundups quote a single number. These are three unrelated release streams.

49 Microsoft products82 Azure Linux (Mariner)30 Edge (Chromium)

Severity

Microsoft channel only · 49 CVEs

December 2022 severity breakdown
Critical6
Important41
Moderate1
Low0
Unrated1

Impact type

What an attacker gains if it works

December 2022 impact breakdown
Remote Code Execution23
Elevation of Privilege17
Information Disclosure3
Denial of Service2
Security Feature Bypass2
Spoofing1
Other1

Most-affected components

Where this month’s fixes concentrate - filter by any of them in the table below

Microsoft Graphics Component12Microsoft Office Visio3Microsoft Windows Codecs Library3Microsoft Bluetooth Driver2Microsoft Office Outlook2Microsoft Office SharePoint2Role: Windows Hyper-V2Windows Kernel2Windows Secure Socket Tunneling Protocol (SSTP)2.NET Framework1Azure1Client Server Run-time Subsystem (CSRSS)1
Every patch

Browse all 161 entries

Sorted by risk by default: exploited first, then publicly disclosed, then severity, then CVSS. Search by CVE, title, component or KB number.

Showing 49 of 49
49 Microsoft vulnerabilities in the December 2022 Patch Tuesday, sortable by severity, CVSS and exploit status.
TitleStatusKB
ModerateCVE-2022-44698Windows SmartScreen Security Feature Bypass VulnerabilityBypass5.4ExploitedWindows SmartScreen5021233 +4
ImportantCVE-2022-44710DirectX Graphics Kernel Elevation of Privilege VulnerabilityEoP7.8DisclosedWindows DirectX5021255
CriticalCVE-2022-41076PowerShell Remote Code Execution VulnerabilityRCE8.5More likelyWindows PowerShell5020880 +15
ImportantCVE-2022-41121Windows Graphics Component Elevation of Privilege VulnerabilityEoP7.8More likelyMicrosoft Graphics Component5020880 +15
ImportantCVE-2022-44671Windows Graphics Component Elevation of Privilege VulnerabilityEoP7.8More likelyMicrosoft Graphics Component5021233 +4
ImportantCVE-2022-44675Windows Bluetooth Driver Elevation of Privilege VulnerabilityEoP7.8More likelyMicrosoft Bluetooth Driver5020880 +13
ImportantCVE-2022-44683Windows Kernel Elevation of Privilege VulnerabilityEoP7.8More likelyWindows Kernel5020880 +11
ImportantCVE-2022-44704Microsoft Windows System Monitor (Sysmon) Elevation of Privilege VulnerabilityEoP7.8More likelySysInternals—
ImportantCVE-2022-44673Windows Client Server Run-time Subsystem (CSRSS) Elevation of Privilege VulnerabilityEoP7.0More likelyClient Server Run-time Subsystem (CSRSS)5020880 +10
CriticalCVE-2022-44690Microsoft SharePoint Server Remote Code Execution VulnerabilityRCE8.8—Microsoft Office SharePoint5002311 +4
CriticalCVE-2022-44693Microsoft SharePoint Server Remote Code Execution VulnerabilityRCE8.8—Microsoft Office SharePoint5002311 +4
CriticalCVE-2022-41127Microsoft Dynamics NAV and Microsoft Dynamics 365 Business Central (On Premises) Remote Code Execution VulnerabilityRCE8.5—Microsoft Dynamics 3655001733 +10
CriticalCVE-2022-44676Windows Secure Socket Tunneling Protocol (SSTP) Remote Code Execution VulnerabilityRCE8.1—Windows Secure Socket Tunneling Protocol (SSTP)5020880 +15
ImportantCVE-2022-41077Windows Fax Compose Form Elevation of Privilege VulnerabilityEoP7.8—Windows Fax Compose Form5020880 +15
ImportantCVE-2022-41089.NET Framework Remote Code Execution VulnerabilityRCE7.8—.NET Framework5020868 +21
ImportantCVE-2022-41094Windows Hyper-V Elevation of Privilege VulnerabilityEoP7.8—Role: Windows Hyper-V5021233 +14
ImportantCVE-2022-44666Windows Contacts Remote Code Execution VulnerabilityRCE7.8—Windows Contacts5020880 +15
ImportantCVE-2022-44667Windows Media Remote Code Execution VulnerabilityRCE7.8—Microsoft Windows Codecs Library5020880 +13
ImportantCVE-2022-44668Windows Media Remote Code Execution VulnerabilityRCE7.8—Microsoft Windows Codecs Library5020880 +13
ImportantCVE-2022-44677Windows Projected File System Elevation of Privilege VulnerabilityEoP7.8—Windows Projected File System5021233 +4
ImportantCVE-2022-44678Windows Print Spooler Elevation of Privilege VulnerabilityEoP7.8—Windows HTTP Print Provider5020880 +15
ImportantCVE-2022-44680Windows Graphics Component Elevation of Privilege VulnerabilityEoP7.8—Microsoft Graphics Component5020880 +11
ImportantCVE-2022-44687Raw Image Extension Remote Code Execution VulnerabilityRCE7.8—Microsoft Windows Codecs Library—
ImportantCVE-2022-44689Windows Subsystem for Linux (WSL2) Kernel Elevation of Privilege VulnerabilityEoP7.8—Windows Subsystem for Linux5021233 +4
ImportantCVE-2022-44691Microsoft Office OneNote Remote Code Execution VulnerabilityRCE7.8—Microsoft Office OneNote—
Your move

What your IT team should do

The same five steps every month, in the order that reduces risk fastest.

Test the known-issue candidates

Check the Windows release health dashboard before promoting past ring 1, and have the rollback path written down before you need it. Kernel, networking and authentication fixes are the ones that historically break things.

12 Patch Management Best Practices for 2026 →

Verify installed state, then evidence it

Confirm the patch is actually present on each endpoint rather than trusting that "deployment succeeded". Keep the resulting report - it is the artefact auditors ask for, and reconstructing it later is far more work than capturing it now.

Patch Management: The Complete Guide →

Trinetri does steps two through five automatically - detecting the 69 KB articles across every endpoint, staging them in rings, verifying installed state and producing the compliance evidence. See patch management →

Archive

Previous Patch Tuesdays

Every month Microsoft has published back to January 2016, each with the same breakdown and the full CVE list.

Older months104 releases, October 2024 – January 2016
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Patch Tuesday FAQ

Patch Tuesday falls on the second Tuesday of every month, with updates going live at 10:00 a.m. Pacific Time. Microsoft introduced the practice in October 2003, following the Blaster worm, to cut distribution costs and give administrators a predictable cadence instead of patches arriving at random. The 10:00 a.m. timing is deliberate: it leaves a full working week to remediate before the weekend. Internally Microsoft calls it the "B" release; optional "C" and "D" preview releases follow later in the month. The next Patch Tuesday is November 10, 2026.

Microsoft fixed 49 vulnerabilities in December 2022, across Windows, Microsoft Office, Developer Tools and Apps. 6 are rated Critical, 1 were publicly disclosed before the patch shipped, and 1 was already being exploited. Note that Microsoft's release document lists 161 entries in total, but 82 of those are Azure Linux package updates and 30 are republished Chromium fixes for Edge, which is why other sources sometimes quote a much larger number.

Exploit Wednesday is the day after Patch Tuesday. Attackers compare the newly released patches against the previous version to locate the flaw each one fixes, then build working exploits from that difference - often within 24 to 48 hours. It is the reason the deployment window matters as much as the patch itself: every hour a Critical remote code execution fix sits undeployed is an hour of measurable exposure.

A workable target for most organisations: actively exploited vulnerabilities within 24 hours, publicly disclosed ones within 72 hours, remaining Critical fixes within seven days, and everything else within the month. CISA's Known Exploited Vulnerabilities catalogue sets binding deadlines for US federal agencies and is a reasonable benchmark for everyone else. Stage the rollout in rings rather than deploying everywhere at once, so a regression is caught on a pilot group instead of in production.

An out-of-band update is a patch released outside the monthly cycle because the risk will not wait for the next Patch Tuesday. Microsoft issues them for actively exploited flaws with no mitigation - most famously during the WannaCry outbreak in 2017, when it took the unusual step of patching versions of Windows that were already out of support.

Yes. Adobe aligned its releases with Patch Tuesday in November 2012, and both SAP's Security Patch Day and Oracle's quarterly Critical Patch Updates are coordinated to the same week. Part of the reason is defensive: staggered releases let attackers reverse-engineer one vendor's patch to find the same underlying flaw in another's still-unpatched product. For IT teams it means the second Tuesday is rarely just a Microsoft problem.

Edge is built on Chromium, so most of its security fixes originate with the Chromium project and are republished by Microsoft under their own CVE identifiers. They ship on Chromium's cadence rather than the Patch Tuesday cycle, and they are delivered by Edge's own updater rather than Windows Update. Counting the 30 Edge entries alongside Microsoft product fixes would inflate the headline number and imply work for your Windows Update rings that does not exist.