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CVE-2026-71398 is a critical incorrect authorization vulnerability in Adobe Campaign Classic (ACC) v7. The flaw can be exploited remotely to achieve arbitrary code execution in the context of the current user, and exploitation does not require user interaction. Available reporting identifies the issue as affecting Adobe Campaign Classic v7 through 7.4.3 build 9399, with fixed releases including later 7.4.4 build 9400. The CVSS v3.1 vector AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H indicates network reachability, low attack complexity, no required privileges, no user interaction, changed scope, and high impact to confidentiality, integrity, and availability. Publicly available information does not identify the specific vulnerable component, function, or endpoint involved.
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What an attacker gets, and what they’ve been doing with it.
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No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
10 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A critical incorrect authorization vulnerability in Adobe Campaign Classic that could lead to arbitrary code execution.
A critical incorrect authorization vulnerability in Adobe Campaign Classic v7 that allows unauthenticated remote code execution without user interaction.
A critical Adobe Campaign Classic vulnerability rated CVSS 10.0 that can allow malicious code to reach systems.
An Incorrect Authorization vulnerability in Adobe Campaign Classic that can lead to arbitrary code execution in the context of the current user without requiring user interaction.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.