CVE-2023-44366: ZDI-CAN-21928: Adobe Acrobat Reader DC Font Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability
Vulnerability summary
CVE-2023-44366 is a high (CVSS 7.8) Out-of-bounds Write vulnerability in adobe acrobat. EPSS estimates a 1.85% chance of exploitation in the next 30 days, higher than 79% of scored vulnerabilities.
Not severe (CVSS 7.8, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Timeline
- 16-11-2023PublishedVulnerability first disclosed.
- 16-12-2025Last modifiedVulnerability information updated.
Description
Adobe Acrobat Reader versions 23.006.20360 (and earlier) and 20.005.30524 (and earlier) are affected by an out-of-bounds write vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
CVSS metrics
2 scores · 2 sources · 1 version- NVDNIST7.8HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS trend
Probability
1.85%
Chance of exploitation in the next 30 days
Percentile
79%
Versus all other CVEs
30-day change
No change 0.00 pp
From 1.85% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: local access, no authentication, user interaction (CVSS vector). Other conditions: not stated in public data.
Adobe4 products
- acrobat≥ 20.001.30005, ≤ 20.005.30539
- acrobat_dc≥ 15.008.20082, < 23.006.20380
- acrobat_reader≤ 23.006.20360 | ≥ 20.001.30005, < 20.005.30539
- acrobat_reader_dc≥ 15.008.20082, < 23.006.20380
1 vendor · 4 products