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TL;DR
Microsoft’s November 10, 2026, security release lists fixes for 1,094 Microsoft CVEs, including an Outlook flaw that the company says was exploited before a patch was available. A separate Paint vulnerability, CVE-2026-83844, has a fix identified, but reports say some users still cannot get the working version. Microsoft has not disclosed how many November vulnerabilities were found with AI tools.
Microsoft’s November 10 security release lists fixes for 1,094 Microsoft CVEs, including an Outlook vulnerability the company marks as exploited before a fix was available. Separately, Microsoft has identified a working version to address a Paint security flaw, though reports say the update is not yet appearing for some users.
Microsoft’s Security Update Guide says the November release consists of 1,094 Microsoft CVEs. Krebs on Security counted 1,093 vulnerabilities published on November 10; the one-item difference is CVE-2026-109469, an Entra Device Registration flaw published five days earlier. Microsoft says no customer action is needed for that issue. The count is Microsoft’s own vulnerabilities, rather than a total padded by flaws from other software vendors that appear in Microsoft’s data feed.
The most urgent item identified in the supplied reporting is CVE-2026-124194 in Outlook. Microsoft rates it Moderate, with a CVSS score of 6.5, but marks it “Exploitation Detected.” The vulnerability can expose a user’s NTLMv2 password hash when a crafted file is opened, according to the source material. The Cybersecurity and Infrastructure Security Agency added it to its list of exploited vulnerabilities on November 10. The provided material recommends prioritizing Outlook and Office updates, then reviewing Critical server fixes applicable to each organization.
The Paint issue is separate from the November Patch Tuesday count. CVE-2026-83844 was published on October 13. The version Microsoft first identified as fixed was reportedly still vulnerable, according to heise. Microsoft named version 11.2609.401.0 as the working version on November 6, but PC Gamer reports that some users still cannot see it. The source material says users should check Paint updates separately through the Microsoft Store.
November Patch Tuesday and the separate Paint fix
Microsoft listed 1,094 CVEs in its November release, including an exploited Outlook flaw. Paint’s fix is separate, and some users still cannot see the working version.
Prioritize the Outlook flaw
CVE-2026-124194 is rated Moderate but marked “Exploitation Detected.”
Apply relevant fixes
A crafted file can expose a user’s NTLMv2 password hash. Prioritize Outlook and Office updates for your systems.
Check applicable patches
Review Critical server fixes against your software and network inventory.
Put the total in context
Release-note counts describe listed vulnerabilities, not attack numbers or the risk of each flaw.
- Microsoft listed 63 CVEs.
- Microsoft listed 1,094 CVEs, including an Entra flaw published five days earlier.
Check Paint separately
CVE-2026-83844 was published in October and is outside the November Patch Tuesday count.
Look for Paint version 11.2609.401.0, identified as the working version.
Reports say some users still cannot see the update; availability timing is not established.
What the count can’t tell you
Microsoft has not disclosed how many November fixes came from AI-assisted discovery. Researcher credits provide only a partial view.
| Count | What it includes |
|---|---|
| 1,094 | Microsoft’s November release-note total, including the earlier Entra flaw |
| 1,093 | Krebs on Security’s count of vulnerabilities published November 10 |
The Outlook Flaw Needs Priority
The release’s four-digit total signals a larger patching workload for organizations responsible for testing and deploying Microsoft updates. But the total alone does not indicate that every listed flaw is equally urgent. The Outlook vulnerability is marked exploited, while Microsoft’s rating for it is Moderate; administrators need to weigh that exploitation status alongside severity ratings and the software in use.
The source’s month-by-month count also puts the volume in perspective: Microsoft listed 63 CVEs in November 2025 and 1,094 in November 2026. That is a comparison of release-note counts, not a measure of the number of successful attacks or the risk posed by each vulnerability. The Paint issue adds a practical complication: users may need to confirm that the intended fix has actually reached their device rather than assume an update is available because a version number was announced.
For individuals and IT teams, the immediate relevance is operational: apply the Outlook and Office fixes, assess applicable server patches, and verify Paint separately. Security updates reduce exposure to known flaws, but patch timing and availability can vary across managed systems and app distribution channels.
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How November’s Count Was Compiled
The November release follows unusually high counts in Microsoft’s published data. The source material reports 1,474 CVEs in October 2026, 999 in September, and 63 in November 2025. It also says the November 2026 monthly data file contains 1,342 entries, including vulnerabilities credited to other vendors. After separating those entries and accounting for the earlier Entra issue, the release-note total is 1,094 Microsoft CVEs.
Microsoft has previously attributed rising discovery and fix volumes in part to advances in automation and AI, while also pointing to contributions from outside researchers. In an April statement cited by the source, MSRC Vice President of Engineering Tom Gallagher said AI “can discover more issues, more quickly, across a broader surface area than previous methods.” In May, Gallagher wrote that “Advanced AI models are part of the discovery picture and help to accelerate it,” while saying the trend was not driven by any single model or change.
The November data does not establish how much AI contributed to the month’s total. The source reports that 24 November entries credited researchers who used an AI model, but researcher credit lines do not reveal Microsoft’s internal tools or the full process behind discovery. Microsoft has said it expects releases to remain larger for some time.
“This release consists of 1094 Microsoft CVEs.”
— Microsoft Security Update Guide
Microsoft has not said how many of the November fixes resulted from AI-assisted discovery, including tools used internally. Researcher acknowledgments in the release data offer only a partial view and cannot establish the AI share of the total. The source material’s figures also use different publication-date rules: Krebs counts 1,093 items published on November 10, while Microsoft’s release notes include the earlier Entra flaw in the 1,094 total.
For Paint, reports cited in the source say the initially named fix remained vulnerable and that version 11.2609.401.0 is not yet visible to some users. The material does not establish how many devices are affected, whether availability varies by region or rollout channel, or when all users will receive the update. Microsoft has not provided those details in the supplied information.
The source excerpt ends while describing the Outlook attack method. It does not provide the full technical conditions, affected product versions, or Microsoft’s complete remediation guidance. Those specifics should be checked against Microsoft’s security advisories and the current update information before making deployment decisions.
Verify and Apply the Fixes
Organizations should review Microsoft’s November Security Update Guide for the full affected-product list and deployment instructions, then prioritize the Outlook and Office updates relevant to their systems. Administrators can assess the release’s Critical server fixes against their own network inventory and maintenance plans. The supplied material does not name every Critical vulnerability or its affected configurations, so those details should not be inferred from the overall CVE count.
Paint users should check the Microsoft Store for the reported working version, 11.2609.401.0, and verify the installed version after updating. The source material does not give a universal date for when the version will be available to everyone. Further details on rollout status, Microsoft’s account of the Paint correction, and the extent of AI involvement remain dependent on additional reporting or company statements.
Key Questions
How many vulnerabilities did Microsoft list in its November 2026 release?
Microsoft’s November 10 release notes list 1,094 Microsoft CVEs. Krebs on Security counted 1,093 published that day; the difference is an Entra Device Registration flaw published on November 5.
Which November flaw was reported as exploited?
CVE-2026-124194 in Outlook is marked “Exploitation Detected” in the source material. Microsoft rates it Moderate, and the reported attack can expose an NTLMv2 password hash when a crafted file is opened.
What is the separate Paint update?
The Paint vulnerability is CVE-2026-83844, published on October 13. The source material identifies version 11.2609.401.0 as the working fix, while citing reports that some users still cannot see it in the Microsoft Store.
Did AI find all or most of the November vulnerabilities?
That is not established. Microsoft has said AI contributes to vulnerability discovery, but has not disclosed how many November fixes involved AI. Researcher credit lines do not show the tools Microsoft used internally.
What should administrators do first?
The supplied reporting advises prioritizing relevant Outlook and Office updates, then reviewing Critical server fixes that apply to the organization’s systems. Paint should be checked separately through the Microsoft Store. This is general reporting, not individualized security advice; follow Microsoft’s current advisories and your organization’s patch procedures.
Source: ThorstenMeyerAI.com
