Which products and versions are affected by CVE-2010-2550?

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

Is CVE-2010-2550 being exploited in the wild?

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

Is CVE-2010-2550 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-2010-2550?

Public exploit code is available.

Is there a fix for CVE-2010-2550?

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

How urgently should CVE-2010-2550 be patched?

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

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Vulnerability Intelligence

CVE-2010-2550

CriticalPublic exploit

The SMB Server in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP1 and SP2, Windows Server 2008 Gold, SP2, and R2, and Windows 7 does not properly validate fields in an SMB request, which allows remote attackers to execute arbitrary code via a crafted…

Published Aug 11, 2010 · Updated Apr 28, 2026

Key Facts

Patch immediately

CVE-2010-2550 is a critical-severity vulnerability (CVSS 10.0 v2) affecting Windows 2003 Server (Microsoft), Windows 7 (Microsoft), Windows Server 2003 (Microsoft) and 3 more products.
It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
EPSS estimates a 76% 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

10.0

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

EPSS (30-day exploit likelihood)

76%

Higher than 99.5% of all scored CVEs

Exploited in the wild

No known

Not in a known-exploited catalog

Public exploit code

Available

Proof-of-concept or weaponized module

Get the full CVE-2010-2550 brief as a PDF

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

Description

Affected Products

18 affected entries in total

Product	Affected versions	Fixed in
Windows 2003 ServerMicrosoft	See advisory	n/a
Windows 7Microsoft	See advisory	n/a
Windows Server 2003Microsoft	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
Aug 11, 2010
Last updated
Apr 28, 2026

Weakness Type

CWE-20 Improper Input Validation

References

FAQ

Common Questions.

The SMB Server in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP1 and SP2, Windows Server 2008 Gold, SP2, and R2, and Windows 7 does not properly validate fields in an SMB request, which allows remote attackers to execute arbitrary code via a crafted SMB packet, aka "SMB Pool Overflow Vuln…
Affected: Windows 2003 Server (Microsoft); Windows 7 (Microsoft); Windows Server 2003 (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.
Public exploit code is available.
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.

Is CVE-2010-2550 Running On Your Attack Surface?

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