Vulnerability in Microsoft Live Meeting
CVE-2015-1671
The Windows DirectWrite library, as used in Microsoft .NET Framework 3.0 SP2, 3.5, 3.5.1, 4, 4.5, 4.5.1, and 4.5.2; Office 2007 SP3 and 2010 SP2; Live Meeting 2007 Console; Lync 2010; Lync 2010 Attendee; Lync 2013 SP1; Lync Basic 2013 SP1; Silverlight 5 before 5.1.40416.00; and Silverlight 5 Developer Runtime before 5.1.40416.00, allows remote attackers to execute arbitrary code via a crafted TrueType font, aka "TrueType Font Parsing Vulnerability."
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.490 (98.9th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 99th percentile — 98.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.546 · newest: 0.490 · change: -0.056
Affected products
- Microsoft Live Meeting — versions 2007
- Microsoft Lync — versions 2010, 2013
- Microsoft .Net Framework — versions 3.0, 4.0, 4.5
- Microsoft Silverlight — versions 5.0
- Microsoft Windows 7
- Microsoft Windows 8
- Microsoft Windows 8.1
- Microsoft Windows Server 2003
- Microsoft Windows Server 2008 — versions r2
- Microsoft Windows Server 2012 — versions r2
CISA KEV (Known Exploited Vulnerabilities)
This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.
BOD 22-01 due date: .
Required action: Apply updates per vendor instructions.
Public proof-of-concept exploits
References
- docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-044 (vendor-advisory, Patch, Vendor Advisory)
- www.securitytracker.com/id/1032281 (VDB Entry, Third Party Advisory, vdb-entry, Broken Link)
- www.securityfocus.com/bid/74490 (VDB Entry, Third Party Advisory, vdb-entry, Broken Link)
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 (US Government Resource)
Frequently asked questions
- What is CVE-2015-1671?
- CVE-2015-1671 is a high-severity vulnerability in Microsoft Live Meeting. CVSS score: 7.8/10. Published 2015-05-13.
- How severe is CVE-2015-1671?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2015-1671 known to be exploited?
- Yes. CVE-2015-1671 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-05-25), indicating it is being actively exploited. 3 public proof-of-concept repositories are indexed.