Adobe · Acrobat and Reader
CVE-2018-4990
Adobe Acrobat and Reader Double Free Vulnerability
Exploited in attacks
High 8.8 Attack chance: 36%
What it is
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.
CISA: Adobe Acrobat and Reader have a double free vulnerability that could lead to remote code execution.
What to do
Apply updates per vendor instructions.
Deadline for US federal agencies: June 22, 2022
More exploited flaws from Adobe
| Added | Vulnerability | Product | Severity | Attack chance |
|---|---|---|---|---|
| May 20, 2026 | Heap-Based Buffer Overflow | Acrobat and Reader | High 8.8 | 87% |
| Apr 13, 2026 | Prototype Pollution | Acrobat and Reader | High 8.6 | 7.2% |
| Oct 10, 2023 | Use-After-Free | Acrobat and Reader | High 7.8 | 59% |
| Sep 14, 2023 | Out-of-Bounds Write | Acrobat and Reader | High 7.8 | 6.7% |
| Jun 8, 2022 | Buffer Overflow | Acrobat and Reader | High 7.8 | 87% |
| Jun 8, 2022 | Unspecified | Acrobat and Reader | High 8.8 | 38% |
| Jun 8, 2022 | Universal 3D Remote Code Execution | Acrobat and Reader | High 8.8 | 83% |
| Jun 8, 2022 | Use-After-Free | Acrobat and Reader | High 7.8 | 82% |
Sources: Known Exploited Vulnerabilities (CISA, public domain), CVE records (cve.org) and EPSS (FIRST). The chance of attacks is the EPSS estimate that someone will try to exploit the flaw in the next 30 days.