CVE-2018-8382

Microsoft Excel Information Disclosure Vulnerability

CVE-2018-8382 is fixed in 9 products on 1 platform, first by KB4032223, released August 14, 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
0.1306
96th percentile

<p>An information disclosure vulnerability exists when Microsoft Excel improperly discloses the contents of its memory. An attacker who exploited the vulnerability could use the information to compromise the user’s computer or data.</p> <p>To exploit the vulnerability, an attacker could craft a special document file and then convince the user to open it. An attacker must know the memory address location where the object was created.</p> <p>The update addresses the vulnerability by changing the way certain Excel functions handle objects in memory.</p>

Where it's fixed

ProductFixed inFixReleased
Microsoft
Microsoft Excel 2010 Service Pack 2 (32-bit editions) KB4032223 Aug 14, 2018
Microsoft Excel 2010 Service Pack 2 (64-bit editions) KB4032223 Aug 14, 2018
Microsoft Excel 2013 RT Service Pack 1 KB4032241 Aug 14, 2018
Microsoft Excel 2013 Service Pack 1 (32-bit editions) KB4032241 Aug 14, 2018
Microsoft Excel 2013 Service Pack 1 (64-bit editions) KB4032241 Aug 14, 2018
Microsoft Excel 2016 (32-bit edition) KB4032229 Aug 14, 2018
Microsoft Excel 2016 (64-bit edition) KB4032229 Aug 14, 2018
Microsoft Excel Viewer 2007 Service Pack 3 KB4022195 Aug 14, 2018
Microsoft Office Compatibility Pack Service Pack 3 KB4032212 Aug 14, 2018