CVE-2025-21156 json
InCopy | Integer Underflow (Wrap or Wraparound) (CWE-191)
published last yr. modified 4mo ago also EUVD-2025-2248
- cvss
- 7.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 27%
- public exploits
- 0
- none known
Summary
InCopy versions 20.0, 19.5.1 and earlier are affected by an Integer Underflow (Wrap or Wraparound) 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.
Patch / fix
- adobe incopy 19.5.2
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Check with FencerCISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- last yr.
Exploit prediction
0.34% chance of exploitation in the next 30 days, higher than 27% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
Affected products
- Adobe InCopy
Classification
- Weakness
-
- CWE-191 Integer Underflow (Wrap or Wraparound)
References
-
helpx.adobe.com
/security/products/incopy/apsb25-10.html
vendor-advisory
Sources
- CVE List CVE-2025-21156
- NVD CVE-2025-21156
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