HIGH SEVERITY

CVE-2009-3130

Compatibility Pack Word Excel Powerpoint vulnerability

CVSS
9.3
EPSS
28.9%
EPSS pct
98th
Exploited
No known
Heap-based buffer overflow in Microsoft Office Excel 2002 SP3, Office 2004 and 2008 for Mac, and Open XML File Format Converter for Mac allows remote attackers to execute arbitrary code via a spreadsheet containing a malformed Binary File Format (aka BIFF) record that triggers memory corruption, aka "Excel Document Parsing Heap Overflow Vulnerability."
Affected vendor
Microsoft
Affected product
Compatibility Pack Word Excel Powerpoint
CVSS vector
AV:N/AC:M/Au:N/C:C/I:C/A:C
Weakness type (CWE)
  • CWE-119 — Improper Restriction of Operations within Memory Bounds
Published
2009-11-11

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 28.9% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 98% of all scored CVEs.

Check your external exposure to CVE-2009-3130

  • Confirm whether Microsoft Compatibility Pack Word Excel Powerpoint is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2009-3130.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2009-3130

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2009-3130 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

Run a free external exposure scan

Are you exposed to CVE-2009-3130?

Run an instant, non-intrusive external scan to check your attack surface for CVE-2009-3130.

Start free scan

No credit card. Agentless.