Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2018-4978

34
FAUCET Score

CVE-2018-4978 is a critical heap overflow vulnerability affecting Adobe Acrobat and Reader versions 2018.011.20038 and earlier, 2017.011.30079 and earlier, and 2015.006.30417 and earlier, impacting systems running Adobe, Apple, and Microsoft products. With a CVSS score of 9.8, this vulnerability allows for unauthenticated, low-complexity network exploitation, potentially leading to arbitrary code execution with high impact on confidentiality, integrity, and availability. While the vulnerability is critical, there is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
>= 15.006.30417, < 15.006.30418CPE matchmatch criteria
cpe:2.3:a:adobe:acrobat_dc:*:*:*:*:classic:*:*:*
>= 17.011.30079, < 17.011.30080CPE matchmatch criteria
cpe:2.3:a:adobe:acrobat_dc:*:*:*:*:*:*:*:*
>= 18.011.20038, < 18.011.20040CPE matchmatch criteria
cpe:2.3:a:adobe:acrobat_dc:*:*:*:*:continuous:*:*:*
>= 15.006.30417, < 15.006.30418CPE matchmatch criteria
cpe:2.3:a:adobe:acrobat_reader_dc:*:*:*:*:classic:*:*:*
>= 17.011.30079, < 17.011.30080CPE matchmatch criteria
cpe:2.3:a:adobe:acrobat_reader_dc:*:*:*:*:*:*:*:*

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
15.60%
Probability of exploitation in next 30 days
EPSS Percentile
96.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.1560 is in the 93rd 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

No media coverage found for this CVE.

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

Remediation

Patch Available

Vendor Patches (1)

adobepatch availablevia nvd_reference
View patch

References

helpx.adobe.com / security/products/acrobat/apsb18-09.html
PatchVendor Advisory
securityfocus.com / bid/104172
Third Party AdvisoryVDB Entry
securitytracker.com / id/1040920
Third Party AdvisoryVDB Entry