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No exploitation reportedFix available

CVE-2023-38231

No exploitation reported by the sources we read.

  • Published2023-08-10
  • Fixed in20.005.30514.10514
  • WeaknessCWE-787

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

Adobe Acrobat Reader versions 23.003.20244 (and earlier) and 20.005.30467 (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.

Timeline

dates in UTC
  1. 2023-08-1014:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2023-38231?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2023-38231?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Adobe acrobatversion to verify
BranchAffectedFixed in
20.x≥ 20.001.30005, < 20.005.30514.1051420.005.30514.10514
20.x≥ 20.001.30005, ≤ 20.005.30516.10516no fix published
Adobe acrobat readerversion to verify
BranchAffectedFixed in
20.x≥ 20.001.30005, < 20.005.30516.1051620.005.30516.10516
20.x≥ 20.001.30005, < 20.005.30514.1051420.005.30514.10514
Adobe acrobat dcversion to verify
BranchAffectedFixed in
23.3≥ 15.008.20082, < 23.003.2026923.003.20269

1 more product in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

  1. Update Adobe acrobat to 20.005.30514.10514

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub

Sources

  • CISA-ADPSSVC decisionnone2024-01-30
  • OpenCVESSVC decisionnone—
  • CNACVSS 3.17.8read 2026-10-23
  • NVDCVSS 3.17.8read 2026-10-23
  • CNAweakness (CWE)CWE-787read 2026-10-23
  • FIRST EPSSEPSS score2.8 %2026-10-22

Technical details

CVSS v3 Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Published
2023-08-10
Last Modified
2026-06-17
NVD status
Modified

Frequently asked questions

What is CVE-2023-38231?

Adobe Acrobat Reader versions 23.003.20244 (and earlier) and 20.005.30467 (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.

Is CVE-2023-38231 actively exploited?

Active exploitation of CVE-2023-38231 has not been confirmed. Its EPSS score was 2.8% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2023-38231?

CVE-2023-38231 has a CVSS v3 base score of 7.8 (HIGH severity), with vector string CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

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