CVE-2018-8546

Microsoft Skype for Business Denial of Service Vulnerability

CVE-2018-8546 is fixed in 8 products on 1 platform, first by KB4461487, released November 13, 2018. It is not reported as exploited. Patch Radar priority: Routine.

Routine
CVSS
n/a
Low
Exploitation
None reported
Exploitation Unlikely
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0546
92nd percentile

<p>A denial of service vulnerability exists in Skype for Business. An attacker who successfully exploited the vulnerability could cause Skype for Business to stop responding. Note that the denial of service would not allow an attacker to execute code or to elevate the attacker's user rights.</p> <p>For an attack to be successful, this vulnerability requires that a user sends a number of emojis in the affected version of Skype for Business.</p> <p>The security update addresses the vulnerability by correcting how Skype for Business handles emojis.</p>

Where it's fixed

ProductFixed inFixReleased
Microsoft
Microsoft Lync 2013 Service Pack 1 (32-bit) KB4461487 Nov 13, 2018
Microsoft Lync 2013 Service Pack 1 (64-bit) KB4461487 Nov 13, 2018
Microsoft Lync Basic 2013 Service Pack 1 (32-bit) KB4461487 Nov 13, 2018
Microsoft Lync Basic 2013 Service Pack 1 (64-bit) KB4461487 Nov 13, 2018
Skype for Business 2016 (32-bit) KB4461473 Nov 13, 2018
Skype for Business 2016 (64-bit) KB4461473 Nov 13, 2018
Skype for Business 2016 Basic (32-bit) KB4461473 Nov 13, 2018
Skype for Business 2016 Basic (64-bit) KB4461473 Nov 13, 2018