CVE-2026-34631Disclosure(adobe / incopy)

LOWCVSS 7.8 · HIGH

Signal is active with 3 mentions in latest observed window

Immediate actions

Patch adobe incopy systems immediately

Recommended action window: Monitor and triage in normal cycle

NVD description

InCopy versions 20.5.2, 21.2 and earlier are 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.

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1.0/ 10 priority

Sources & remediation

Vendor / third-party advisories

https://helpx.adobe.com/security/products/incopy/apsb26-33.html

Weakness type (CWE)

CWE-787

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

NONE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

incopy
macos
windows

Threat summary

Patch or workaround signal is available
3 mentions across 1 observed day

What's happening

Patch or workaround mentioned in 1 signal
Technical details provided in 3 signals
Disclosure: 2 classified signals
3 total mentions across 1 day

Affected systems

Vendors

adobe apple microsoft

Products

incopymacoswindows

1 version affected across 3 products

Deep dive

Activity timeline3 mentions / 1d

Signal classification2 categories

Disclosure

266.7%

Patch

133.3%

Referenced assets5 URLs

By indicator

Full discourse3 posts

dbugs@ptdbugs177d
Patch
InCopy | Out-of-bounds Write (CWE-787) CVE: CVE-2026-34631 PT ID: PT-2026-32935 Vendor: Adobe Product: InCopy CVSS: 7.8 Credits: n/a Description: InCopy versions 20.5.2, 21.2 and earlier are 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. References: • https://dbugs.ptsecurity.com/vulnerability/CVE-2026-34631 • https://helpx.adobe.com/security/products/incopy/apsb26-33.html #dbugs_vuln
Post summary
Adobe’s InCopy versions 20.5.2, 21.2 and earlier contain an out‑of‑bounds write vulnerability that could lead to arbitrary code execution when a user opens a malicious file; a vendor patch is available.
0000058
797 followersView on X
CVE@CVEnew177d
Disclosure
CVE-2026-34631 InCopy versions 20.5.2, 21.2 and earlier are affected by an out-of-bounds write vulnerability that could result in arbitrary code execution in the context of the curr… https://www.cve.org/CVERecord?id=CVE-2026-34631
Post summary
The post announces CVE-2026-34631 as an out-of-bounds write flaw in Adobe InCopy that could lead to arbitrary code execution. No exploit, patch, or active exploitation details are provided.
0000085
57.2K followersView on X
Vulmon Vulnerability Feed@VulmonFeeds177d
Disclosure
CVE-2026-34631 Out-of-Bounds Write Vulnerability in Adobe InCopy 21.2 and Earlie... https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-34631 Vulnerability Alert Subscriptions: https://alerts.vulmon.com/?utm_source=twitter&utm_medium=social&utm_campaign=2102281&utm_content=1
Post summary
A brief announcement of CVE-2026-34631, an out‑of‑bounds write vulnerability affecting Adobe InCopy 21.2 and earlier, with only a link to the vuln details and no PoC, exploit, or patch information.
0000047
4.0K followersView on X

CPE platform detail3 entries

Part:

Vendor:

Product:

Version:

Target SW:

Target HW:

3 of 3 entries

Part	Vendor	Product	Version	Target SW	Target HW
App	adobe	incopy	-	-	-
OS	apple	macos	-	-	-
OS	microsoft	windows	-	-	-

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