What is CVE-2018-4910?

CVE-2018-4910 is a high-severity vulnerability in Adobe Acrobat, classified under Out-of-bounds Write. CVSS score: 8.8/10. Published 2018-02-27.

How severe is CVE-2018-4910?

High severity. CVSS v3 base score is 8.8 out of 10.

Is CVE-2018-4910 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Adobe Acrobat

CVE-2018-4910

An issue was discovered in Adobe Acrobat Reader 2018.009.20050 and earlier versions, 2017.011.30070 and earlier versions, 2015.006.30394 and earlier versions. This vulnerability is an instance of a heap overflow vulnerability in the JavaScript engine. The vulnerability is triggered by a PDF file with crafted JavaScript code that manipulates the optional content group (OCG). A successful attack can lead to code corruption, control-flow hijack, or a code re-use attack.

Vulnerability class: Buffer Overflow

Published 2018-02-27 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.245 (97.8th percentile), scored 2026-10-02.

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 97.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.245 · newest: 0.245 · change: 0.000

Affected products

Adobe Acrobat
Adobe Acrobat Dc
Adobe Acrobat Reader
Adobe Acrobat Reader Dc
Adobe Acrobat Reader 2018.009.20050 And Earlier Versions, 2017.011.30070 2015.006.30394 Versions — versions Adobe Acrobat Reader 2018.009.20050 and earlier versions, 2017.011.30070 and earlier versions, 2015.006.30394 and earlier versions

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

Public proof-of-concept exploits

References

helpx.adobe.com/security/products/acrobat/apsb18-02.html (Vendor Advisory)
www.securityfocus.com/bid/102992 (VDB Entry, Third Party Advisory, vdb-entry)
www.securitytracker.com/id/1040364 (VDB Entry, Third Party Advisory, vdb-entry)

Frequently asked questions

What is CVE-2018-4910?: CVE-2018-4910 is a high-severity vulnerability in Adobe Acrobat, classified under Out-of-bounds Write. CVSS score: 8.8/10. Published 2018-02-27.
How severe is CVE-2018-4910?: High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2018-4910 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.