THREATPORT/VULNERABILITY/CVE-2010-3234
HIGH SEVERITY

CVE-2010-3234

Excel vulnerability

CVSS
9.3
EPSS
20.6%
EPSS pct
97th
Exploited
No known
Microsoft Excel 2002 SP3 does not properly validate formula information, which allows remote attackers to execute arbitrary code via a crafted Excel document, aka "Formula Substream Memory Corruption Vulnerability."
Affected vendor
Microsoft
Affected product
Excel
CVSS vector
AV:N/AC:M/Au:N/C:C/I:C/A:C
Weakness type (CWE)
  • CWE-20 — Improper Input Validation
Published
2010-10-13

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 20.6% 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-2010-3234

  • Confirm whether Microsoft Excel is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2010-3234.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2010-3234

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2010-3234 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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