CVE-2021-45056
Adobe InCopy JPEG File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability
Adobe InCopy version 16.4 (and earlier) is 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.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Adobe InCopy JPEG File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability
Adobe InCopy version 16.4 (and earlier) is 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.
- Record
CVE-2021-45056- CVSS 3.0
- 7.8 High
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-787
- Updated
- 2026-11-02
EUVDEUVD-2021-31852
Adobe InCopy version 16.4 (and earlier) is 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.
- Record
EUVD-2021-31852- CVSS 3.0
- 7.8 High
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-3x38-vg68-q764 No score
Adobe InCopy version 16.4 (and earlier) is affected by an out-of-bounds write vulnerability that...
Adobe InCopy version 16.4 (and earlier) is 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.
- Record
GHSA-3x38-vg68-q764- Weakness
- CWE-787
- Updated
- 2026-11-02
NVD
Adobe InCopy version 16.4 (and earlier) is 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.
- Record
CVE-2021-45056- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - CVSS 3.0
- 7.8 High
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - CVSS 2.0
- 6.8 Medium
AV:N/AC:M/Au:N/C:P/I:P/A:P - Weakness
- CWE-787
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-45056 is a high vulnerability (CVSS 7.8) in Adobe Incopy, published January 13, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.35%, the 83rd percentile. No source names a fixed version.