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CVE-2023-21608

89
FAUCET Score

CVE-2023-21608 is a critical Use After Free vulnerability in Adobe Acrobat and Reader (versions 22.003.20282 and earlier, 20.005.30418 and earlier) that allows for arbitrary code execution in the context of the current user. This vulnerability, affecting Adobe, Apple, and Microsoft platforms, requires user interaction to open a malicious file. It carries a high CVSS score of 7.8, indicating a significant impact with high confidentiality, integrity, and availability risks. Notably, this CVE is actively exploited in the wild, as confirmed by its presence in the CISA KEV catalog, and has garnered substantial community discussion and media coverage despite a lack of public exploit code.

Impacted Technologies

VendorProductVersion(s)CPE
>= 15.008.20082, <= 22.003.20282CPE matchmatch criteria
cpe:2.3:a:adobe:acrobat_dc:*:*:*:*:continuous:*:*:*
>= 15.008.20082, <= 22.003.20282CPE matchmatch criteria
cpe:2.3:a:adobe:acrobat_reader_dc:*:*:*:*:continuous:*:*:*
>= 15.008.20082, <= 22.003.20281CPE matchmatch criteria
cpe:2.3:a:adobe:acrobat_dc:*:*:*:*:continuous:*:*:*
>= 15.008.20082, <= 22.003.20281CPE matchmatch criteria
cpe:2.3:a:adobe:acrobat_reader_dc:*:*:*:*:continuous:*:*:*
>= 20.001.30005, <= 20.005.30418CPE matchmatch criteria
cpe:2.3:a:adobe:acrobat:*:*:*:*:classic:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.8HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
61.48%
Probability of exploitation in next 30 days
EPSS Percentile
99.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
Added to KEV · Oct 10, 2023
This CVE's current EPSS score of 0.6148 is in the 99th percentile among its peer group of 11,616 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 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)

adobevendor investigatingvia nvd_reference
View patch

References

cisa.gov / known-exploited-vulnerabilities-catalog
Third Party AdvisoryUS Government Resource
helpx.adobe.com / security/products/acrobat/apsb23-01.html
Vendor Advisory