SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2016-3301

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;…

EXPLOIT ✓HIGH 7.8EPSS 44.5%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 44.5%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.

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."

CVSS 3.0
7.8 HIGHCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
44.49% probability · 99th percentile
Public exploits
1 in Exploit-DB · verified · first 17 August 2016
CISA KEV
Not listed
Weakness
CWE-20
Affected
microsoft/live meeting · microsoft/lync · microsoft/office · microsoft/skype for business · microsoft/word viewer · microsoft/windows 10 · microsoft/windows 7 · microsoft/windows 8.1 · microsoft/windows rt 8.1 · microsoft/windows server 2008 · microsoft/windows server 2012 · microsoft/windows vista
Source
secure@microsoft.com
EPSS trend
0%23%45%21 September 2026: 34.89%22 September 2026: 44.49%26 October 2026: 44.49%21 September 202626 October 2026

EPSS moved from 34.9% on 21 September 2026 to 44.5% on 26 October 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.

Public exploits (1)

Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.

EDB-IDTitleTypePublishedVerified
EDB-40255source ↗Microsoft Windows - GDI+ DecodeCompressedRLEBitmap Invalid Pointer Arithmetic Out-of-Bounds Write (MS16-097)windows · Google Security Researchdos17 August 2016yes

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.