Microsoft's latest Patch Tuesday fixes 570 security bugs, but some Dell PCs will have to wait

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Alfonso Maruccia

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Microbugs: Microsoft has released yet another Patch Tuesday with record-breaking figures. The latest cumulative update for supported Windows editions is significant in both quality and quantity. However, some Dell machines will not receive the update anytime soon due to compatibility issues.

A month after fixing 200 individual flaws across Windows and other software products, Microsoft is now breaking new ground with another massive Patch Tuesday release. The July cumulative update for Windows 11 (KB5101650) addresses 570 security vulnerabilities, including three zero-day flaws that were either previously disclosed or are actively being exploited by cybercriminals.

The July 2026 Patch Tuesday addresses an unprecedented number of security issues, including 59 critical bugs and 48 vulnerabilities that can be exploited remotely. The three fixed zero-day flaws include CVE-2026-50661, which could allow attackers to gain unauthorized access to BitLocker-encrypted data and volumes.

CVE-2026-50661 was publicly disclosed but had not been exploited, while the other two zero-day flaws are already being used by cybercriminals in malicious campaigns. These include CVE-2026-56155, which could allow an attacker to gain elevated privileges through Active Directory Federation Services. The second privilege escalation vulnerability (CVE-2026-56164) targets Office SharePoint, although Microsoft's server-side Antimalware Scan Interface feature should help mitigate the issue.

Redmond recently confirmed that analysts are now using AI-based tools to examine the company's massive code bases. Automation and LLMs are expected to significantly increase the number of bugs discovered – and hopefully fixed permanently – in Windows and other software products, Windows Executive Vice President Pavan Davuluri said. More "record-breaking" Patch Tuesday releases are likely to appear over the coming months and years.

AI is uncovering hundreds of new issues in Windows and Office, but Patch Tuesday's already legendary reliability does not appear to be benefiting from this additional analysis. In June, Dell identified a significant compatibility issue between an Intel driver used in the company's PCs and a new Windows USB-C Connection Manager introduced in a preview Windows update (KB5095093).

Microsoft said the incompatibility is still affecting the reliability and performance of some Dell systems, which is why the company decided to delay the July Patch Tuesday cumulative update for those machines. The issue was found to affect only PCs running Windows 11 versions 25H2 and 24H2, while supported Windows Server editions should not experience any known problems.

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Microsoft's latest Patch Tuesday fixes 570 security bugs, but some Dell PCs will have to wait

 
If only security updates/patches were delivered separate from the rest of the updates that claim to "fix" things. You know, like back in the days of Windows 7 where we had control over Windows Update.
 
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trparky said:
If only security updates/patches were delivered separate from the rest of the updates that claim to "fix" things. You know, like back in the days of Windows 7 where we had control over Windows Update.
Click to expand...
Alas, the average user isn't very tech-savvy... and MS can be deemed at fault if any devices with Windows installed are used in cyberattacks... Their legal team (and coding team as well) has clearly deemed it easier to deliver everything at once, and to make it mandatory for as many users as possible.
 
Squid Surprise said:
Alas, the average user isn't very tech-savvy... and MS can be deemed at fault if any devices with Windows installed are used in cyberattacks... Their legal team (and coding team as well) has clearly deemed it easier to deliver everything at once, and to make it mandatory for as many users as possible.
Click to expand...
And how has that been turning out lately? Oh yeah... does the phrase "dumpster fire" come to mind?
 
Microslop makes an overwhelming majority of their profits in enterprise, office applications, and onedrive subscriptions.
Windows as a consumer OS isn't making them nearly as much profit, which is why consumers end up being the beta testers for AI vibe coded slop through forced updates, which Microslop has admitted to 30% of their code being AI.
 
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Squid Surprise said:
In tech circles maybe… meanwhile, MS continues to rake in cash hand over fist… looks like it’s turning out quite nicely for MS.
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And if you look at the direction of Windows in terms of popularity, it's on the downturn.
Hecate91 said:
Windows as a consumer OS isn't making them nearly as much profit, which is why consumers end up being the beta testers for AI vibe coded slop through forced updates, which Microslop has admitted to 30% of their code being AI.
Click to expand...
Exactly. Things like this would never have happened in the past.

Back during the old days of Windows 7, Microsoft was known to have a whole damn building full of computers with all kinds of software and hardware configurations. And they tested their updates in that lab. Actually tested!!!

When Satya took over, he got rid of that lab and basically said Windows will be tested by the public and when things go wrong, we'll find out using telemetry.

Microsoft used to actually eat their own damn dog food! Not anymore and we can see that in how every bloody update that comes out breaks crap the world over. This is the new Windows, the Windows that nobody can depend upon. It's no wonder why companies are planning escape routes from Windows.

I haven't installed this update yet because I depend upon my computer and at this rate, I probably won't install this update until at least two weeks from now. Maybe then Microslop will have to push out another one of their infamous emergency patches only to be followed up with another because... you just know it'll happen.
 
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Oh goodie! AI is FINDING the bugs. Betcha AI is writing the code to "fix" them as well. If not now, soon!
 
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