THREATPORT/VULNERABILITY/CVE-2016-3233
HIGH SEVERITY

CVE-2016-3233

Excel vulnerability

CVSS
7.3
EPSS
14.8%
EPSS pct
96th
Exploited
No known
Microsoft Excel 2007 SP3, Excel 2010 SP2, and Office Compatibility Pack SP3 allow remote attackers to execute arbitrary code via a crafted Office document, aka "Microsoft Office Memory Corruption Vulnerability."
Affected vendor
Microsoft
Affected product
Excel
CVSS vector
CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Weakness type (CWE)
  • CWE-119 — Improper Restriction of Operations within Memory Bounds
Published
2016-06-16

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable with local access, low attack complexity, requiring low privileges, user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 14.8% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 96% of all scored CVEs.

Check your external exposure to CVE-2016-3233

  • Confirm whether Microsoft Excel is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2016-3233.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2016-3233

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2016-3233 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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