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CVE-2025-54220VulnerabilityPublished Updated

CVE-2025-54220: Adobe InCopy · Heap-based Buffer Overflow

Affects Adobe InCopySource CVE Database V5

0

Not known to be exploited · CVSS 7.8 High.

Data as of 25 Oct 2026, 19:02 UTC

CVSS 3.1 base score
7.8High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.3% chance of exploitation in 30 days – higher than 22% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 12 Aug 2025

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-25.

What to do

Affected software

ProductAffectedFixed in
Adobe InCopyAffected
  • =0
Fixed in–

AI-suggested

1. Immediately implement strict email and file filtering to block or quarantine suspicious files, especially those purporting to be Adobe InCopy documents from untrusted sources. 2. Educate users on the risks of opening files from unknown or untrusted origins and encourage verification before opening. 3. Restrict Adobe InCopy usage to only necessary personnel and consider disabling it on endpoints where it is not required. 4. Employ endpoint detection and response (EDR) solutions to monitor for anomalous behavior indicative of exploitation attempts. 5. Use application whitelisting and sandboxing to limit the impact of potential code execution. 6. Regularly back up critical data and ensure backups are isolated from the network to enable recovery in case of compromise. 7. Monitor Adobe’s official channels closely for patch releases and apply updates promptly once available. 8. Consider network segmentation to limit lateral movement if an endpoint is compromised. 9. Conduct threat hunting exercises focusing on indicators of compromise related to heap overflow exploitation techniques. 10. Review and harden user privilege levels to minimize the impact of code execution under user context.

Description

InCopy versions 20.4, 19.5.4 and earlier are affected by a Heap-based Buffer Overflow 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.

References

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