CVE-2016-3301Live Meeting Vulnerability
The Windows font library in Microsoft Windows Vista SP2; Windows Server 2008 SP2 and R2 SP1; Windows 7 SP1; Windows 8.1; Windows Server 2012 Gold and R2; Windows RT 8.1; Windows 10 Gold, 1511, and 1607; Office 2007 SP3; Office 2010 SP2; Word Viewer; Skype for Business 2016; Lync…
Published Aug 9, 2016 · Updated May 6, 2026
Key Facts
Patch immediately- CVE-2016-3301 is a high-severity vulnerability (CVSS 7.8 v3) affecting Live Meeting (Microsoft), Lync (Microsoft), Office (Microsoft) and 9 more products.
- It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
- EPSS estimates a 44% probability of exploitation in the next 30 days.
- No fixed version is listed yet; check the vendor advisory for mitigations.
- Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.
Scores
CVSS v3
7.8
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
44%
Higher than 98.7% of all scored CVEs
Exploit maturity
Proof of concept
ATLAS score
37/100
Publication score, see How it works
Exploitation Verdict
KEV listed
Not listed
Federal due date
None
No federal due date
Ransomware use
Not reported
Attributed actors
None named
Exploit & Defence Guidance
Exploit maturity
Proof of concept
Public exploit code
1
Proof-of-concept links
In-the-wild evidence
0
Reports of active use
Description
The Windows font library in Microsoft Windows Vista SP2; Windows Server 2008 SP2 and R2 SP1; Windows 7 SP1; Windows 8.1; Windows Server 2012 Gold and R2; Windows RT 8.1; Windows 10 Gold, 1511, and 1607; Office 2007 SP3; Office 2010 SP2; Word Viewer; Skype for Business 2016; Lync 2013 SP1; Lync 2010; Lync 2010 Attendee; and Live Meeting 2007 Console allows remote attackers to execute arbitrary code via a crafted embedded font, aka "Windows Graphics Component RCE Vulnerability."
Affected Products
19 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Live MeetingMicrosoft | 2007 | n/a |
| LyncMicrosoft | 2010, 2013-sp1 | n/a |
| OfficeMicrosoft | 2007-sp3, 2010-sp2 | n/a |
| Skype For BusinessMicrosoft | 2016 | n/a |
| Word ViewerMicrosoft | See advisory | n/a |
Timeline
Publicly disclosed
Aug 9, 2016
Last updated
May 6, 2026
Weakness Type
- CWE-20 Improper Input Validation
References
- exploitExploitDB-40255
- otherMS16-097
- other40255
- other92288
- other1036564
FAQ
Common Questions.
The Windows font library in Microsoft Windows Vista SP2; Windows Server 2008 SP2 and R2 SP1; Windows 7 SP1; Windows 8.1; Windows Server 2012 Gold and R2; Windows RT 8.1; Windows 10 Gold, 1511, and 1607; Office 2007 SP3; Office 2010 SP2; Word Viewer; Skype for Business 2016; Lync 2013 SP1; Lync 2010; Lync 2010 Attendee…
Affected: Live Meeting (Microsoft) versions 2007; Lync (Microsoft) versions 2010, 2013-sp1; Office (Microsoft) versions 2007-sp3, 2010-sp2, among others. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.
Is CVE-2016-3301 On Your Attack Surface?
Brandefense matches it against the products discovered on your perimeter and opens a finding the day a CVE like this is listed.
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