CVE-2016-7266

Microsoft Excel Security Feature Bypass Vulnerability

CVE-2016-7266 is fixed in 11 products on 1 platform, first by KB3128019, released December 13, 2016. It is not reported as exploited, but the vendor rates exploitation more likely. Patch Radar priority: Urgent.

Urgent
CVSS
n/a
Important
Exploitation
More likely
Vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.2279
97th percentile

<p>A security feature bypass vulnerability exists when Microsoft Excel improperly checks registry settings when an attempt is made to run embedded content. An attacker who successfully exploited the vulnerability could execute arbitrary commands. In a file-sharing attack scenario, an attacker could provide a specially crafted document file designed to exploit the vulnerability and then convince users to attempt to open the document multiple times.</p> <p>The update addresses the vulnerability by correcting how Microsoft Excel checks registry settings when a user attempts to open or execute embedded content.</p>

Where it's fixed

ProductFixed inFixReleased
Microsoft
Microsoft Excel 2007 Service Pack 3 KB3128019 Dec 13, 2016
Microsoft Excel 2010 Service Pack 2 (32-bit editions) KB3128037 Dec 13, 2016
Microsoft Excel 2010 Service Pack 2 (64-bit editions) KB3128037 Dec 13, 2016
Microsoft Excel 2013 RT Service Pack 1 KB3128008 Dec 13, 2016
Microsoft Excel 2013 Service Pack 1 (32-bit editions) KB3128008 Dec 13, 2016
Microsoft Excel 2013 Service Pack 1 (64-bit editions) KB3128008 Dec 13, 2016
Microsoft Excel 2016 (32-bit edition) KB3128016 Dec 13, 2016
Microsoft Excel 2016 (64-bit edition) KB3128016 Dec 13, 2016
Microsoft Excel 2016 for Mac KB3198800 Dec 13, 2016
Microsoft Excel Viewer 2007 Service Pack 3 KB3128023 Dec 13, 2016
Microsoft Office Compatibility Pack Service Pack 3 KB3128022 Dec 13, 2016