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CVE-2017-11939

19
FAUCET Score

CVE-2017-11939 is an information disclosure vulnerability affecting Microsoft Office 2016 Click-to-Run (C2R) that stems from how Office enforces DRM copy/paste permissions. This medium-severity vulnerability (CVSS 6.5) can be exploited remotely with low complexity, potentially leading to high confidentiality impact without affecting integrity or availability. While there is no known active exploitation, public exploit code, or Metasploit modules, the vulnerability has received minimal community discussion and media coverage, suggesting low current attention.

Impacted Technologies

VendorProductVersion(s)CPE
2016CPE matchmatch criteria
cpe:2.3:a:microsoft:office:2016:c2r:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

6.5MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
6.28%
Probability of exploitation in next 30 days
EPSS Percentile
92.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0628 is in the 98th percentile among its peer group of 21,977 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

microsoftpatch availablevia nvd_reference
View patch
microsoftpatch availablevia msrc
Product: Microsoft Office 2016 Click-to-Run (C2R) for 32-bit editions
microsoftpatch availablevia msrc
Product: Microsoft Office 2016 Click-to-Run (C2R) for 64-bit editions

Vendor Advisories (1)

microsoft2017-Dec/CVE-2017-11939Important

Microsoft Office Information Disclosure Vulnerability

Dec 12, 2017

References

portal.msrc.microsoft.com / en-US/security-guidance/advisory/CVE-2017-11939
Issue TrackingPatchVendor Advisory
securityfocus.com / bid/102105
Third Party AdvisoryVDB Entry
securitytracker.com / id/1039994
Third Party AdvisoryVDB Entry