Microsoft Office up to 2016 memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.4$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in Microsoft Office 2007/2010/2013/2013 RT/2016. This affects an unknown function. This manipulation causes memory corruption. This vulnerability appears as CVE-2016-3313. The attack requires local access. In addition, an exploit is available. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability classified as critical was found in Microsoft Office 2007/2010/2013/2013 RT/2016 (Office Suite Software). Affected by this vulnerability is an unknown code. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Microsoft Office 2007 SP3, 2010 SP2, 2013 SP1, 2013 RT SP1, and 2016, Word 2016 for Mac, and Word Viewer allow remote attackers to execute arbitrary code via a crafted file, aka "Microsoft Office Memory Corruption Vulnerability."

The weakness was presented 08/09/2016 by Basti as MS16-099 / 3177451 as confirmed bulletin (Technet). It is possible to read the advisory at technet.microsoft.com. This vulnerability is known as CVE-2016-3313 since 03/15/2016. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Technical details are unknown but a public exploit is available.

It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept. We expect the 0-day to have been worth approximately $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 92839 (MS16-099: Security Update for Microsoft Office (3177451)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows : Microsoft Bulletins and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 110282 (Microsoft Office Remote Code Execution Vulnerabilities (MS16-099)).

Applying the patch MS16-099 is able to eliminate this problem. The bugfix is ready for download at technet.microsoft.com. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Exploit-DB (40224), Tenable (92839) and SecurityFocus (BID 92289†). See VDB-90704, VDB-90705, VDB-90706 and VDB-90707 for similar entries. Be aware that VulDB is the high quality source for vulnerability data.

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CVSSv4info

VulDB Vector: 🔍
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CVSSv3info

VulDB Meta Base Score: 7.8
VulDB Meta Temp Score: 7.4

VulDB Base Score: 7.8
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
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Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

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Nessus ID: 92839
Nessus Name: MS16-099: Security Update for Microsoft Office (3177451)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 840628
OpenVAS Name: Microsoft Office Multiple Vulnerabilities-3177451(Mac OS X)
OpenVAS File: 🔍
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Exploit-DB: 🔍

Threat Intelligenceinfo

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Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
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Patch: MS16-099

Timelineinfo

03/15/2016 🔍
08/09/2016 +147 days 🔍
08/09/2016 +0 days 🔍
08/09/2016 +0 days 🔍
08/09/2016 +0 days 🔍
08/10/2016 +1 days 🔍
08/10/2016 +0 days 🔍
05/11/2025 +3196 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: MS16-099 / 3177451
Researcher: Basti
Status: Confirmed

CVE: CVE-2016-3313 (🔍)
GCVE (CVE): GCVE-0-2016-3313
GCVE (VulDB): GCVE-100-90703
SecurityFocus: 92289 - Microsoft Office CVE-2016-3313 Memory Corruption Vulnerability
SecurityTracker: 1036559

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 08/10/2016 12:11
Updated: 05/11/2025 20:04
Changes: 08/10/2016 12:11 (70), 03/23/2019 16:46 (15), 09/13/2022 15:24 (3), 05/11/2025 20:04 (14)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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