Adobe · Acrobat and Reader
CVE-2023-26369
[Google Project Zero] Adobe Acrobat DC OOBW 0-day actively exploited in the wild
What it is
Acrobat Reader versions 23.003.20284 (and earlier), 20.005.30516 (and earlier) and 20.005.30514 (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.
CISA: Adobe Acrobat and Reader contains an out-of-bounds write vulnerability that allows for code execution.
What to do
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Deadline for US federal agencies: October 5, 2023
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% |
| 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% |
| Jun 8, 2022 | Stack-Based Buffer Overflow | Acrobat and Reader | High 7.3 | 81% |
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.