CVE-2017-8508

Microsoft Outlook Security Feature Bypass Vulnerability

CVE-2017-8508 is fixed in 8 products on 1 platform, first by KB3191898, released June 13, 2017. 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
0.0419
90th percentile

<p>A security feature bypass vulnerability exists in Microsoft Outlook software when it improperly handles the parsing of file formats. The security feature bypass by itself does not allow arbitrary code execution. However, to successfully exploit the vulnerability, an attacker would have to use it in conjunction with another vulnerability, such as a remote code execution vulnerability, to take advantage of the security feature bypass vulnerability and run arbitrary code.</p> <p>To exploit the vulnerability, an attacker would have to convince a user to open a specially crafted file with an affected version of Microsoft Outlook software.</p> <p>The security update addresses the vulnerability by correcting how Microsoft Outlook handles the parsing of file formats.</p>

Where it's fixed

ProductFixed inFixReleased
Microsoft
Microsoft Outlook 2007 Service Pack 3 KB3191898 Jun 13, 2017
Microsoft Outlook 2010 Service Pack 2 (32-bit editions) KB3203467 Jun 13, 2017
Microsoft Outlook 2010 Service Pack 2 (64-bit editions) KB3203467 Jun 13, 2017
Microsoft Outlook 2013 RT Service Pack 1 KB3191938 Jun 13, 2017
Microsoft Outlook 2013 Service Pack 1 (32-bit editions) KB3191938 Jun 13, 2017
Microsoft Outlook 2013 Service Pack 1 (64-bit editions) KB3191938 Jun 13, 2017
Microsoft Outlook 2016 (32-bit edition) KB3191932 Jun 13, 2017
Microsoft Outlook 2016 (64-bit edition) KB3191932 Jun 13, 2017