CVE-2022-28834

Current-user code execution via malicious file

Published Sep 11, 2023 · Updated Feb 27, 2025

Out-of-bounds write in Adobe InCopy 17.1 and earlier and 16.4.1 and earlier allows attackers to execute code via a malicious file. Adobe has not disclosed the affected parser, file format, or unchecked memory operation beyond classifying the flaw as an out-of-bounds write. Exploitation requires a victim to open the file, and successful code runs with that user's privileges.

CVSS severity7.8
High
EPSS probability0.40%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Out-of-bounds write in Adobe InCopy 17.1 and earlier and 16.4.1 and earlier allows attackers to execute code via a malicious file. Adobe has not disclosed the affected parser, file format, or unchecked memory operation beyond classifying the flaw as an out-of-bounds write. Exploitation requires a victim to open the file, and successful code runs with that user's privileges.

The record

CVE
CVE-2022-28834
Published
Sep 11, 2023
Updated
Feb 27, 2025
Vendor
Adobe
Product
InCopy
Classifications
CWE-787, T1203, T1204.002
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Sep 11, 2023CVE publishedPublication date reported by the CVE source.
  2. Feb 27, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <=17.1

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

Adobe · InCopyversion=0 <=17.1

Published CVSS scores

7.8Adobe Systems IncorporatedCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
7.8AdobeCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-787Out-of-bounds Write
T1203Exploitation for Client Execution
T1204.002Malicious File

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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