CVE-2019-1263

Microsoft Excel Information Disclosure Vulnerability

CVE-2019-1263 is fixed in 7 products on 1 platform, first by KB4475574, released September 10, 2019. 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
0.0777
94th 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) KB4475574 Sep 10, 2019
Microsoft Excel 2010 Service Pack 2 (64-bit editions) KB4475574 Sep 10, 2019
Microsoft Excel 2013 RT Service Pack 1 KB4475566 Sep 10, 2019
Microsoft Excel 2013 Service Pack 1 (32-bit editions) KB4475566 Sep 10, 2019
Microsoft Excel 2013 Service Pack 1 (64-bit editions) KB4475566 Sep 10, 2019
Microsoft Excel 2016 (32-bit edition) KB4475579 Sep 10, 2019
Microsoft Excel 2016 (64-bit edition) KB4475579 Sep 10, 2019

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