(Podcast) Zero-day vulnerability in Microsoft Office known as CVE-2026-21509

Описание: 🚨 *URGENT SECURITY ALERT!* 🚨

Is your computer at risk? Hackers are officially on the prowl! Microsoft just issued an *emergency out-of-band security patch* for a *high-severity zero-day vulnerability* in Microsoft Office known as *CVE-2026-21509**. This isn't just a "maybe" threat—this flaw is being **actively exploited* in the wild right now!

In this video, we dive into what you need to do immediately to lock down your system and keep the bad actors out. 💻🛡️

🔍 *What’s Happening?*
Microsoft discovered a major hole in Office that allowed attackers to strike. While the full scope of these attacks remains a mystery, the *Microsoft Threat Intelligence Center (MSTIC)* and the *Security Response Center (MSRC)* worked overtime to find a fix before things got out of hand.

🛠️ *How to Protect Yourself:*
*Office 2021 & Later:* You are mostly covered by a service-side change, but *you MUST restart your Office applications* for the protection to take effect.
*Office 2019 & 2016:* You need to manually install the latest updates. Ensure your version matches *16.0.10417.20095* (for 2019) or *16.0.5539.1001* (for 2016).

⚙️ *Advanced Fix (Registry Mitigation):*
For those who need an extra layer of defense, Microsoft suggests a *Windows Registry modification**. By adding a subkey named **{EAB22AC3-30C1-11CF-A7EB-0000C05BAE0B}* and setting the *Compatibility Flags to 400**, you can manually mitigate the threat. **Pro tip:* Always back up your Registry before making changes!

Don't wait until you're a headline—patch your Office apps today!

*Source Attribution:*
Information provided via Ravie Lakshmanan at the #1 Trusted Cybersecurity News Platform, published January 27, 2026.

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