Which products and versions are affected by CVE-2010-0266?

Affected: Outlook (Microsoft) versions 2002-sp3, 2003-sp3, 2007-sp1, 2007-sp2. The full list is in the CVE brief.

Is CVE-2010-0266 being exploited in the wild?

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

Is CVE-2010-0266 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-2010-0266?

Public exploit code is available.

Is there a fix for CVE-2010-0266?

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

How urgently should CVE-2010-0266 be patched?

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

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Vulnerability Intelligence

CVE-2010-0266

CriticalPublic exploit

Microsoft Office Outlook 2002 SP3, 2003 SP3, and 2007 SP1 and SP2 does not properly verify e-mail attachments with a PR_ATTACH_METHOD property value of ATTACH_BY_REFERENCE, which allows user-assisted remote attackers to execute arbitrary code via a crafted message, aka…

Published Jul 15, 2010 · Updated Apr 28, 2026

Key Facts

Patch immediately

CVE-2010-0266 is a critical-severity vulnerability (CVSS 9.3 v2) affecting Outlook (Microsoft).
It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
EPSS estimates a 51% 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

9.3

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

EPSS (30-day exploit likelihood)

51%

Higher than 98.9% 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-2010-0266 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

4 affected entries in total

Product	Affected versions	Fixed in
OutlookMicrosoft	2002-sp3, 2003-sp3, 2007-sp1, 2007-sp2	n/a

Timeline

Publicly disclosed
Jul 15, 2010
Last updated
Apr 28, 2026

Weakness Type

CWE-94 Improper Control of Generation of Code ('Code Injection')

References

exploitMSF ms10_045_outlook_ref_only.rb
exploitMSF ms10_045_outlook_ref_resolve.rb
exploitExploitDB-16699
exploitExploitDB-16700
otherMS10-045

2 more references in the full CVE brief

FAQ

Common Questions.

Microsoft Office Outlook 2002 SP3, 2003 SP3, and 2007 SP1 and SP2 does not properly verify e-mail attachments with a PR_ATTACH_METHOD property value of ATTACH_BY_REFERENCE, which allows user-assisted remote attackers to execute arbitrary code via a crafted message, aka "Microsoft Outlook SMB Attachment Vulnerability."
Affected: Outlook (Microsoft) versions 2002-sp3, 2003-sp3, 2007-sp1, 2007-sp2. 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-2010-0266 Running On Your Attack Surface?

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