Next month’s Patch Tuesday falls on October 13th, and with that update, Microsoft will be enabling “Memory Integrity” on all Windows 11 systems that are still receiving updates, according to this Windows IT Pro blog post . Memory Integrity (also known as Hypervisor-Protected Code Integrity, or HVCI) has been around for some time, but it hasn’t been enabled yet on many PCs.
What happened
Next month’s Patch Tuesday falls on October 13th, and with that update, Microsoft will be enabling “Memory Integrity” on all Windows 11 systems that are still receiving updates, according to this Windows IT Pro blog post .
Where the sources line up
Memory Integrity (also known as Hypervisor-Protected Code Integrity, or HVCI) has been around for some time, but it hasn’t been enabled yet on many PCs. Starting October 13th, 2026, all supported Windows 11 PCs will enable Memory Integrity by default. While Memory Integrity is primarily intended as a security feature, gamers may find it a hindrance.
Practical impact for readers
What does it actually do? Well, Memory Integrity ensures that only verified kernel-mode code is loaded on the PC, blocking unsigned rootkits and raising the barrier to driver-based kernel attacks. The goal is for Windows 11 to be better protected against malware attacks.
Who should pay attention now
Before Windows enables this feature, it will check eligible computers and verify whether the machine is ready for it. According to this support page , Memory Integrity requires the following hardware:.
What is still unclear
However, this feature has a major drawback: Memory Integrity can apparently slow down games. Tom’s Hardware measured years ago that HVCI combined with VBS (Virtualization-Based Security) causes games to run up to 15 percent slower. VBS is also enabled as part of this update, providing additional security features.
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