THREATPORT/VULNERABILITY/CVE-2008-0113
HIGH SEVERITY

CVE-2008-0113

Excel Viewer vulnerability

CVSS
9.3
EPSS
42.2%
EPSS pct
99th
Exploited
No known
Unspecified vulnerability in Microsoft Office Excel Viewer 2003 up to SP3 allows user-assisted remote attackers to execute arbitrary code via an Excel document with malformed cell comments that trigger memory corruption from an "allocation error," aka "Microsoft Office Cell Parsing Memory Corruption Vulnerability."
Affected vendor
Microsoft
Affected product
Excel Viewer
CVSS vector
AV:N/AC:M/Au:N/C:C/I:C/A:C
Weakness type (CWE)
Published
2008-03-11

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 42.2% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it among the most exploited CVEs currently tracked.

Check your external exposure to CVE-2008-0113

  • Confirm whether Microsoft Excel Viewer is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2008-0113.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2008-0113

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2008-0113 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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