Which products and versions are affected by CVE-2010-0022?

Affected: Windows 2000 (Microsoft); Windows 2003 Server (Microsoft); Windows 7 (Microsoft), among others. The full list is in the CVE brief.

Is CVE-2010-0022 being exploited in the wild?

It is not listed in any known-exploited vulnerabilities catalog.

Is CVE-2010-0022 in the CISA KEV catalog?

No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.

Is there a public exploit for CVE-2010-0022?

No public exploit code is known.

Is there a fix for CVE-2010-0022?

No fixed version is listed yet; check the vendor advisory for mitigations.

How urgently should CVE-2010-0022 be patched?

Brandefense priority: patch immediately, because it is very likely to be exploited soon.

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Vulnerability Intelligence

CVE-2010-0022

High

Published Feb 10, 2010 · Updated Apr 28, 2026

Key Facts

Patch immediately

CVE-2010-0022 is a high-severity vulnerability (CVSS 7.8 v2) affecting Windows 2000 (Microsoft), Windows 2003 Server (Microsoft), Windows 7 (Microsoft) and 3 more products.
It is not listed in any known-exploited vulnerabilities catalog. No public exploit code is known.
EPSS estimates a 79% probability of exploitation in the next 30 days.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.

CVSS v2

7.8

AV:N/AC:L/Au:N/C:N/I:N/A:C

EPSS (30-day exploit likelihood)

79%

Higher than 99.5% of all scored CVEs

Exploited in the wild

No known

Not in a known-exploited catalog

Public exploit code

None known

Get the full CVE-2010-0022 brief as a PDF

Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.

Description

The SMB implementation in the Server service in Microsoft Windows 2000 SP4, Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista Gold, SP1, and SP2, Windows Server 2008 Gold, SP2, and R2, and Windows 7 does not properly validate the share and servername fields in SMB packets, which allows remote attackers to cause a denial of service (system hang) via a crafted packet, aka "SMB Null Pointer Vulnerability."

Affected Products

21 affected entries in total

Product	Affected versions	Fixed in
Windows 2000Microsoft	See advisory	n/a
Windows 2003 ServerMicrosoft	See advisory	n/a
Windows 7Microsoft	See advisory	n/a
Windows Server 2008Microsoft	See advisory	n/a
Windows VistaMicrosoft	See advisory	n/a

1 more affected products in the full CVE brief

Timeline

Publicly disclosed
Feb 10, 2010
Last updated
Apr 28, 2026

Weakness Type

CWE-20 Improper Input Validation

References

FAQ

Common Questions.

The SMB implementation in the Server service in Microsoft Windows 2000 SP4, Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista Gold, SP1, and SP2, Windows Server 2008 Gold, SP2, and R2, and Windows 7 does not properly validate the share and servername fields in SMB packets, which allows remote attackers to…
Affected: Windows 2000 (Microsoft); Windows 2003 Server (Microsoft); Windows 7 (Microsoft), among others. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
No public exploit code is known.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.

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