MICROSOFT has released a major Windows software update that fixes nearly 50 nasty bugs that hackers could exploit.
The tech giant has classified six of the 48 as critical.
Some are capable of performing the worst possible hack, remote execution, which allows an attacker to do things on your computer remotely.
But the most serious of the group has been known to be actively exploited by cyber crooks.
The bug — officially named CVE-2022-44698 — allowed attackers to bypass a Windows security feature.
SmartScreen is the warning pop-up that appears when a suspicious app is downloaded on your device.
It is designed to warn you before you might install something malicious.
But hackers found a way around this, meaning victims could install things unaware of the risk.
“An attacker can create a malicious file that evades Mark of the Web (MOTW) defenses, resulting in limited loss of integrity and availability of security features that rely on MOTW tagging, such as Protected View in Microsoft Office.” say it in Microsoft’s official notes.
Corresponding computer beepshackers managed to exploit the flaw in several malware campaigns.
These include the so-called QBot Trojan and Magniber ransomware.
The problem is one of two uncovered “zero-day” vulnerabilities.
A second is considered a “less likely exploit” but is still worth a patch if that’s the case.
Others looked at less severely affected things like Microsoft Edge.
All are part of Microsoft’s routine “Patch Tuesday”.
One is usually released every month, so this should be the last for 2022.
If you see that updates need to be installed on your computers, make sure you apply them as soon as possible.
This protects you from all 48 known errors.
It should automatically install for you.
Turning on automatic updates is the best practice for any device and software.
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https://www.thesun.ie/tech/9907398/microsoft-windows-patch-tuesday-december-critical-update/ Urgent warning to billions of people about enormous online danger from “critical” Microsoft update