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CVE-2018-12821

24
FAUCET Score

CVE-2018-12821 is an out-of-bounds read vulnerability affecting Adobe Digital Editions versions 4.5.8 and below. This high-severity flaw (CVSS 7.5) allows for information disclosure through a network-based attack requiring no user interaction, potentially compromising sensitive data. While no public exploit code or active exploitation has been observed, the vulnerability has garnered limited community discussion and media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 4.5.8CPE matchmatch criteria
cpe:2.3:a:adobe:digital_editions:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
3.97%
Probability of exploitation in next 30 days
EPSS Percentile
89.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0397 is in the 81st percentile among its peer group of 51,553 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.1 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/Digital-Editions/apsb18-27.html
PatchVendor Advisory
securityfocus.com / bid/105532
Third Party AdvisoryVDB Entry