CVE-2021-33783 Windows SMB Information Disclosure Vulnerability

Medium 6.5 Published Updated

An attacker can exploit a flaw in Windows SMB to disclose sensitive information, requiring a security patch.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2021-33783?

CVE-2021-33783 is a medium-severity vulnerability in Microsoft Windows 10, published on 14 Jul 2021. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Windows SMB Information Disclosure Vulnerability

Which versions are affected by CVE-2021-33783?

It affects 8 products.

Products include Microsoft Windows 10, Microsoft Windows 7, Microsoft Windows 8.1, Microsoft Windows Rt 8.1, Microsoft Windows Server 2008, Microsoft Windows Server 2012 and 2 more.

How do I fix CVE-2021-33783?

No fix has been published for CVE-2021-33783 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-33783 being exploited?

There is no known exploitation of CVE-2021-33783 in the wild and no public exploit code.

All Microsoft Windows 10 vulnerabilities

Sources

Also known as GHSA-jmv8-h4gc-mrfq.

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