June 2025 Patch Tuesday: Critical Microsoft & Adobe Updates You Need Now

Microsoft and Adobe have just released a massive wave of security patches, addressing critical vulnerabilities—including an actively exploited zero-day threat. If you're running Windows or using Adobe software, installing these updates immediately should be your top priority.

Microsoft’s 66 Security Patches – One Under Active Attack

This month, Microsoft has rolled out 66 security patches, with 10 rated as critical. Among them is CVE-2023-33053, a remote code execution (RCE) flaw tied to the legacy Internet Explorer (IE) engine. Shockingly, just clicking a malicious link could lead to a full system compromise.

Key Threats in Microsoft’s Update

  1. Windows Net Log EOP (Elevation of Privilege)
    • A critical bug allowing attackers to take over domain controllers.
    • Businesses using Windows Server must patch immediately—Microsoft warns exploitation is likely.
  2. SMB Client EOP (Publicly Known Exploit)
    • Simply connecting to a malicious SMB server grants system-level code execution.
    • Since it’s already publicly known, hackers are likely using it right now.
  3. Office RCE via Email Preview (No Click Required!)
    • Four Office vulnerabilities allow attacks just by previewing an email.
    • Microsoft expects exploitation within 30 days—patch ASAP.

Are You Running Outdated Software?

  • If you’re on Windows 7, 8.1, Server 2012, or older, you can’t get these updates.
  • Microsoft Office 2013 and earlier are no longer supported—upgrade now!
  • Office 2016 loses support in October 2025—start planning your migration.

Adobe’s Massive 254-Patch Release – Silent Email Attacks

Adobe’s June update is even bigger, fixing 254 vulnerabilities, including:

  • 225 Cross-Site Scripting (XSS) flaws patched in a single fix.
  • 10 critical RCE bugs in Adobe Reader—opening a malicious PDF could fully compromise your system.
  • Preview pane attacks—just viewing an email with an embedded PDF could trigger an exploit.

No Active Exploits Yet… But It’s Coming

While none of these Adobe flaws are currently under attack, history shows that once patches drop, hackers reverse-engineer them quickly. Don’t wait—update now.

How to Install These Critical Updates

For Windows & Microsoft Office

  1. Click the Start buttonSettings (gear icon).
  2. Go to Windows UpdateCheck for updates.
  3. Install all available patches.
  1. Restart your PC if prompted—some updates require a reboot to complete.

For Adobe Software

  • Open Adobe Creative CloudCheck for updates.
  • Enable auto-updates to stay protected.
  • Adobe Reader users: Ensure you’re on the latest version.

Don’t Want to Worry About Manual Updates?

If keeping up with patches feels overwhelming, A Faster PC’s Managed Services can handle it for you:

Automatic Windows & Office updates (twice daily).

Third-party software patching (Chrome, Firefox, Zoom, Adobe—checked every 4 hours).

24/7 security monitoring to block zero-day threats.

Call us at 772-878-5978 or visit AFasterPC.com to schedule a free discovery call.

Final Warning: Patch Now or Risk Getting Hacked

With active exploits in the wild and more expected soon, delaying these updates is gambling with your security. Don’t be a sitting duck—update today!

Cybersecurity problems? You need A Faster PC.

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