CVE-2018-8627

Microsoft Excel Information Disclosure Vulnerability

CVE-2018-8627 is fixed in 13 products on 1 platform, first by KB4461569, released December 11, 2018. It is not reported as exploited. Patch Radar priority: High.

High
CVSS
n/a
Important
Exploitation
None reported
Exploitation Less Likely
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0862
95th percentile

<p>An information disclosure vulnerability exists when Microsoft Excel software reads out of bound memory due to an uninitialized variable, which could disclose the contents of memory. An attacker who successfully exploited the vulnerability could view out of bound memory.</p> <p>Exploitation of the vulnerability requires that a user open a specially crafted file with an affected version of Microsoft Excel software.</p> <p>The security update addresses the vulnerability by properly initializing the affected variable.</p>

Where it's fixed

ProductFixed inFixReleased
Microsoft
Excel Services on Microsoft SharePoint Server 2010 Service Pack 2 KB4461569 Dec 11, 2018
Microsoft Excel 2010 Service Pack 2 (32-bit editions) KB4461577 Dec 11, 2018
Microsoft Excel 2010 Service Pack 2 (64-bit editions) KB4461577 Dec 11, 2018
Microsoft Excel 2013 RT Service Pack 1 KB4461559 Dec 11, 2018
Microsoft Excel 2013 Service Pack 1 (32-bit editions) KB4461559 Dec 11, 2018
Microsoft Excel 2013 Service Pack 1 (64-bit editions) KB4461559 Dec 11, 2018
Microsoft Excel 2016 (32-bit edition) KB4461542 Dec 11, 2018
Microsoft Excel 2016 (64-bit edition) KB4461542 Dec 11, 2018
Microsoft Excel Viewer 2007 Service Pack 3 KB4461566 Dec 11, 2018
Microsoft Office 2010 Service Pack 2 (32-bit editions) KB4461570 Dec 11, 2018
Microsoft Office 2010 Service Pack 2 (64-bit editions) KB4461570 Dec 11, 2018
Microsoft Office Compatibility Pack Service Pack 3 KB4461565 Dec 11, 2018
Microsoft Office Online Server KB4011027 Dec 11, 2018