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CVE-2021-44707

28
FAUCET Score

CVE-2021-44707 is an out-of-bounds write vulnerability in Adobe Acrobat Reader DC (multiple versions across Windows, macOS, and iOS) that could lead to arbitrary code execution. This high-severity flaw (CVSS 7.8) requires user interaction, specifically opening a malicious file, but has low attack complexity. While not currently listed in CISA's KEV catalog or having public exploit code, it garnered significant community attention and was reportedly exploited for $150,000 at a Chinese hacking contest.

Impacted Technologies

VendorProductVersion(s)CPE
>= 15.008.20082, <= 21.007.20099CPE matchmatch criteria
cpe:2.3:a:adobe:acrobat_dc:*:*:*:*:continuous:*:*:*
>= 15.008.20082, <= 21.007.20099CPE matchmatch criteria
cpe:2.3:a:adobe:acrobat_reader_dc:*:*:*:*:continuous:*:*:*
>= 17.011.30059, <= 17.011.30204CPE matchmatch criteria
cpe:2.3:a:adobe:acrobat:*:*:*:*:classic:*:*:*
>= 20.001.30005, <= 20.004.30017CPE matchmatch criteria
cpe:2.3:a:adobe:acrobat:*:*:*:*:classic:*:*:*
>= 17.011.30059, <= 17.011.30204CPE matchmatch criteria
cpe:2.3:a:adobe:acrobat_reader:*:*:*:*: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
8.37%
Probability of exploitation in next 30 days
EPSS Percentile
94.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0837 is in the 94th percentile among its peer group of 11,621 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

helpx.adobe.com / security/products/acrobat/apsb22-01.html
Vendor Advisory
zerodayinitiative.com / advisories/ZDI-22-539
Third Party AdvisoryVDB Entry