Microsoft Office 2007/2010 Document use after free

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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A vulnerability classified as critical has been found in Microsoft Office 2007/2010 (Office Suite Software). Affected is an unknown function of the component Document Handler. The manipulation with an unknown input leads to a use after free vulnerability. CWE is classifying the issue as CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Use-after-free vulnerability in Microsoft Word 2007 SP3, Office 2010 SP2, Word 2010 SP2, Word Viewer, Office Compatibility Pack SP3, Word Automation Services on SharePoint Server 2010 SP2, and Office Web Apps Server 2010 SP2 allows remote attackers to execute arbitrary code via a crafted Office document, aka "Microsoft Office Component Use After Free Vulnerability."

The issue has been introduced in 01/30/2007. The weakness was shared 04/14/2015 by Jack Tang with Trend Micro as MS15-033 as confirmed bulletin (Technet). The advisory is shared for download at This vulnerability is traded as CVE-2015-1649 since 02/17/2015. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 2996 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 82769 (MS15-033: Vulnerabilities in Microsoft Office Could Allow Remote Code Execution (3048019)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows : Microsoft Bulletins. The commercial vulnerability scanner Qualys is able to test this issue with plugin 110252 (Microsoft Office Remote Code Execution Vulnerabilities (MS15-033)).

Applying the patch MS15-033 is able to eliminate this problem. The bugfix is ready for download at Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 19707.

The vulnerability is also documented in the vulnerability database at Tenable (82769). The entries 74835, 74837, 74845 and 74846 are related to this item.







CPE 2.3info

CPE 2.2info


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VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
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Class: Use after free
CWE: CWE-416 / CWE-119
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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Nessus ID: 82769
Nessus Name: MS15-033: Vulnerabilities in Microsoft Office Could Allow Remote Code Execution (3048019)
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OpenVAS ID: 103094
OpenVAS Name: Microsoft Office Word Viewer Remote Code Execution Vulnerabilities (3048019)
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Threat Intelligenceinfo

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Recommended: Patch
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Patch: MS15-033
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01/30/2007 🔍
02/17/2015 +2940 days 🔍
04/14/2015 +56 days 🔍
04/14/2015 +0 days 🔍
04/14/2015 +0 days 🔍
04/14/2015 +0 days 🔍
04/14/2015 +0 days 🔍
04/15/2015 +1 days 🔍
04/15/2015 +0 days 🔍
05/06/2022 +2578 days 🔍



Advisory: MS15-033
Researcher: Jack Tang
Organization: Trend Micro
Status: Confirmed

CVE: CVE-2015-1649 (🔍)

SecurityTracker: 1032104 - Microsoft Office Memory Errors Let Remote Users Execute Arbitrary Code and Input Validation Flaw Permits Cross-Site Scripting Attacks
Vulnerability Center: 49601 - [MS15-033] Microsoft Multiple Office Products Remote Use After Free Vulnerability - CVE-2015-1649, Critical
SecurityFocus: 74007 - Microsoft Office CVE-2015-1649 Use After Free Remote Code Execution Vulnerability

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Created: 04/15/2015 10:34 AM
Updated: 05/06/2022 09:14 AM
Changes: 04/15/2015 10:34 AM (75), 06/26/2017 09:12 AM (10), 05/06/2022 09:14 AM (3)
Complete: 🔍


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