Product / Adobe
Adobe Acrobat and Reader in CISA KEV
Answer CISA's KEV catalog lists 13 vulnerabilities in Adobe Acrobat and Reader as of catalog 2026.09.23, 16% of Adobe's 81 entries. First added 2021-11-03, latest 2026-05-20; 1 ransomware-linked.
- KEV entries
- 13
- Ransomware: known
- 17.7%
- First added
- 2021-11-03
- Latest added
- 2026-05-20
- Median days to due
- 14
- Open deadlines
- 0federal
TAdditions by year
| Year | Added |
|---|---|
| 2021 | 2 |
| 2022 | 7 |
| 2023 | 2 |
| 2024 | 0 |
| 2025 | 0 |
| 2026 | 2 |
WWeaknesses
| CWE | Entries | Share |
|---|---|---|
| CWE-119 Memory buffer bounds error | 5 | 38.5% |
| CWE-416 Use after free | 2 | 15.4% |
| CWE-1321 Prototype pollution | 1 | 7.7% |
| CWE-787 Out-of-bounds write | 1 | 7.7% |
| CWE-415 Double free | 1 | 7.7% |
| CWE-399 Resource management errors (category) | 1 | 7.7% |
| CWE-122 Heap-based buffer overflow | 1 | 7.7% |
EAll entries
| CVE | Vulnerability | Added | Due | Ransomware | CWE |
|---|---|---|---|---|---|
| CVE-2009-3459 | Adobe Acrobat and Reader Heap-Based Buffer Overflow Vulnerability | Unknown | CWE-119 | ||
| CVE-2026-34621 | Adobe Acrobat and Reader Prototype Pollution Vulnerability | Unknown | CWE-1321 | ||
| CVE-2023-21608 | Adobe Acrobat and Reader Use-After-Free Vulnerability | Unknown | CWE-416 | ||
| CVE-2023-26369 | Adobe Acrobat and Reader Out-of-Bounds Write Vulnerability | Unknown | CWE-787 | ||
| CVE-2018-4990 | Adobe Acrobat and Reader Double Free Vulnerability | Unknown | CWE-415 | ||
| CVE-2010-2883 | Adobe Acrobat and Reader Stack-Based Buffer Overflow Vulnerability | Unknown | CWE-119 | ||
| CVE-2009-4324 | Adobe Acrobat and Reader Use-After-Free Vulnerability | Unknown | CWE-399 | ||
| CVE-2009-3953 | Adobe Acrobat and Reader Universal 3D Remote Code Execution Vulnerability | Unknown | CWE-119 | ||
| CVE-2008-0655 | Adobe Acrobat and Reader Unspecified Vulnerability | Unknown | none listed | ||
| CVE-2007-5659 | Adobe Acrobat and Reader Buffer Overflow Vulnerability | Unknown | CWE-119 | ||
| CVE-2008-2992 | Adobe Reader and Acrobat Input Validation Vulnerability | Known | CWE-119 | ||
| CVE-2021-28550 | Adobe Acrobat and Reader Use-After-Free Vulnerability | Unknown | CWE-416 | ||
| CVE-2021-21017 | Adobe Acrobat and Reader Heap-based Buffer Overflow Vulnerability | Unknown | CWE-122 |
Cite this
CISA's KEV catalog lists 13 vulnerabilities in Adobe Acrobat and Reader. Source: Telemetry analysis of the CISA Known Exploited Vulnerabilities catalog, version 2026.09.23 (released 2026-09-23). https://glide-telemetry.pages.dev/products/adobe-acrobat-and-reader/
Source: CISA KEV catalog v2026.09.23, released 2026-09-23. Windows end 2026-09-23.