CVE-2019-0630 Memory corruption in Windows

High 8.8 Published Updated

Attackers can execute arbitrary code remotely by sending crafted requests to the Windows SMBv2 server, requiring immediate patching.

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-2019-0630?

CVE-2019-0630 is a high-severity memory corruption vulnerability in Microsoft Windows 10, published on 6 Mar 2019. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A remote code execution vulnerability exists in the way that the Microsoft Server Message Block 2.0 (SMBv2) server handles certain requests, aka 'Windows SMB Remote Code Execution Vulnerability'. This CVE ID is unique from CVE-2019-0633.

Weakness: CWE-19

Which versions are affected by CVE-2019-0630?

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-2019-0630?

No fix has been published for CVE-2019-0630 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2019-0630 being exploited?

There is no known exploitation of CVE-2019-0630 in the wild and no public exploit code.

All Microsoft Windows 10 vulnerabilities

Sources

Also known as GHSA-9vjr-7mpv-6898.

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