CVE-2016-7267

Excel vulnerability

CVSS

5.5

EPSS

19.4%

EPSS pct

97th

Exploited

No known

Microsoft Excel 2010 SP2, 2013 SP1, 2013 RT SP1, and 2016 misparses file formats, which makes it easier for remote attackers to execute arbitrary code via a crafted document, aka "Microsoft Office Security Feature Bypass Vulnerability."

Affected vendor

Microsoft

Affected product

Excel

CVSS vector

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

Weakness type (CWE)

CWE-20 — Improper Input Validation

Published

2016-12-20

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable with local access, low attack complexity, requiring no privileges, user interaction. Successful exploitation leads to high impact to integrity.

Its EPSS score of 19.4% 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-2016-7267

Confirm whether Microsoft Excel is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2016-7267.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2016-7267

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2016-7267 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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