---
id: "CVE-2018-4990"
kind: "vulnerability"
aliases: ["CVE-2018-4990"]
title: "Adobe Acrobat and Reader versions 2018.011.20038 and earlier, 2017.011.30079 and earlier, and 2015.006.30417 and\u2026"
severity: "high"
cvss: 8.8
epss: 0.36228
exploited: true
status: "open"
category: "package"
products: [{"name": "Adobe Acrobat and Reader", "fixed": [], "affected": "", "ecosystem": "vendor"}, {"name": "adobe acrobat dc", "fixed": [], "affected": ">= 15.006.30060, <= 15.006.30417", "ecosystem": "vendor"}, {"name": "adobe acrobat dc", "fixed": [], "affected": ">= 15.008.20082, <= 18.011.20038", "ecosystem": "vendor"}, {"name": "adobe acrobat dc", "fixed": [], "affected": ">= 17.011.30059, <= 17.011.30079", "ecosystem": "vendor"}, {"name": "adobe acrobat reader dc", "fixed": [], "affected": ">= 15.006.30060, <= 15.006.30417", "ecosystem": "vendor"}, {"name": "adobe acrobat reader dc", "fixed": [], "affected": ">= 15.008.20082, <= 18.011.20038", "ecosystem": "vendor"}, {"name": "adobe acrobat reader dc", "fixed": [], "affected": ">= 17.011.30059, <= 17.011.30079", "ecosystem": "vendor"}]
ecosystems: ["vendor"]
tags: ["adobe-acrobat", "adobe-reader", "exploited", "macos", "package", "windows"]
not_affected_if: ["not-installed"]
published_at: "2018-07-09T19:29:03+00:00"
first_seen_at: "2026-10-23T19:11:52+00:00"
updated_at: "2026-10-23T22:29:04+00:00"
sources: [{"source": "kev", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2018-4990", "first_seen_at": "2026-10-23T19:11:52+00:00"}, {"source": "epss", "url": "https://api.first.org/data/v1/epss?cve=CVE-2018-4990", "first_seen_at": "2026-10-23T19:13:45+00:00"}, {"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-4990", "first_seen_at": "2026-10-23T22:29:04+00:00"}]
---

# Adobe Acrobat and Reader versions 2018.011.20038 and earlier, 2017.011.30079 and earlier, and 2015.006.30417 and…

Adobe Acrobat and Reader contain a double free memory bug that can be triggered to corrupt memory. An attacker who gets a victim to open a crafted PDF can run code on the victim's machine.

_Summary, check and fix written by a model from the sources; labelled as such._

## Affected

- vendor:Adobe Acrobat and Reader affected ? fixed ?
- vendor:adobe acrobat dc affected >= 15.006.30060, <= 15.006.30417 fixed ?
- vendor:adobe acrobat dc affected >= 15.008.20082, <= 18.011.20038 fixed ?
- vendor:adobe acrobat dc affected >= 17.011.30059, <= 17.011.30079 fixed ?
- vendor:adobe acrobat reader dc affected >= 15.006.30060, <= 15.006.30417 fixed ?
- vendor:adobe acrobat reader dc affected >= 15.008.20082, <= 18.011.20038 fixed ?
- vendor:adobe acrobat reader dc affected >= 17.011.30059, <= 17.011.30079 fixed ?

## How to check

Open Acrobat or Reader and check Help > About to see the installed version; compare it against the vendor's fixed build.

## Fix

Apply the update from Adobe per vendor instructions (CISA KEV required action).

## Timeline

- 2026-10-23T19:11:52+00:00 kev https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2018-4990
- 2026-10-23T19:13:45+00:00 epss https://api.first.org/data/v1/epss?cve=CVE-2018-4990
- 2026-10-23T22:29:04+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2018-4990

## From the sources

Adobe Acrobat and Reader versions 2018.011.20038 and earlier, 2017.011.30079 and earlier, and 2015.006.30417 and earlier have a Double Free vulnerability. Successful exploitation could lead to arbitrary code execution in the context of the current user.

---

_Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai_