CVE-2015-0085

Excel vulnerability

CVSS

9.3

EPSS

17.3%

EPSS pct

97th

Exploited

No known

Use-after-free vulnerability in Microsoft Office 2007 SP3, Excel 2007 SP3, PowerPoint 2007 SP3, Word 2007 SP3, Office 2010 SP2, Excel 2010 SP2, PowerPoint 2010 SP2, Word 2010 SP2, Office 2013 Gold and SP1, Word 2013 Gold and SP1, Office 2013 RT Gold and SP1, Word 2013 RT Gold and SP1, Excel Viewer, Office Compatibility Pack SP3, Word Automation Services on SharePoint Server 2010 SP2, Excel Services on SharePoint Server 2013 Gold and SP1, Word Automation Services on SharePoint Server 2013 Gold and SP1, Web Applications 2010 SP2, Office Web Apps Server 2010 SP2, Web Apps Server 2013 Gold and SP1, SharePoint Server 2007 SP3, Windows SharePoint Services 3.0 SP3, SharePoint Foundation 2010 SP2, SharePoint Server 2010 SP2, SharePoint Foundation 2013 Gold and SP1, and SharePoint Server 2013 Gold and SP1 allows remote attackers to execute arbitrary code via a crafted Office document, aka "Microsoft Office Component Use After Free Vulnerability."

Affected vendor

Microsoft

Affected product

Excel

CVSS vector

AV:N/AC:M/Au:N/C:C/I:C/A:C

Published

2015-03-11

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, medium attack complexity, requiring no authentication. Successful exploitation leads to complete impact to confidentiality, complete impact to integrity, complete impact to availability.

Its EPSS score of 17.3% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 97% of all scored CVEs.

Check your external exposure to CVE-2015-0085

Confirm whether Microsoft Excel is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2015-0085.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2015-0085

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2015-0085 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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