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CVE-2016-6939

33
FAUCET Score

CVE-2016-6939 is a critical heap-based buffer overflow vulnerability affecting Adobe Reader and Acrobat across various versions and operating systems (Windows and OS X). This vulnerability allows attackers to execute arbitrary code with a CVSS score of 9.8, indicating a network-based attack with low complexity and high impact on confidentiality, integrity, and availability. Despite its severity, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion, though it received some media coverage upon disclosure.

Impacted Technologies

VendorProductVersion(s)CPE
<= 11.0.17CPE matchmatch criteria
cpe:2.3:a:adobe:acrobat:*:*:*:*:*:*:*:*
<= 15.006.30201CPE matchmatch criteria
cpe:2.3:a:adobe:acrobat_dc:*:*:*:*:classic:*:*:*
<= 15.017.20053CPE matchmatch criteria
cpe:2.3:a:adobe:acrobat_dc:*:*:*:*:continuous:*:*:*
<= 15.006.30201CPE matchmatch criteria
cpe:2.3:a:adobe:acrobat_reader_dc:*:*:*:*:classic:*:*:*
<= 15.017.20053CPE matchmatch criteria
cpe:2.3:a:adobe:acrobat_reader_dc:*:*:*:*:continuous:*:*:*

CVSS Data

CVSS version used by this source: 3.0

9.8CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
8.50%
Probability of exploitation in next 30 days
EPSS Percentile
94.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0850 is in the 90th percentile among its peer group of 36,862 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

adobeworkaround availablevia nvd_reference
View patch

References

helpx.adobe.com / security/products/acrobat/apsb16-33.html
MitigationVendor Advisory
securityfocus.com / bid/93487
securitytracker.com / id/1036986