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CVE-2026-82003

HIGH 8.5 ALL-YEARS

Published 2026-09-22 · Last modified 2026-09-26 · adobe · NVD: Analyzed

Adobe Campaign Classic (ACC) is affected by an Improper Input Validation vulnerability that could result in arbitrary code execution in the context of the current user. A low-privileged attacker could exploit this vulnerability to execute arbitrary code. Exploit depends on conditions beyond the attacker's control. Exploitation of this issue does not require user interaction. Scope is changed.

ELEVATED IMPACT

Severe if exploited (CVSS 8.5), but no confirmed exploitation. Patch on a normal cadence.

Exploitation likelihood

0.5%chance of exploitation in 30 days · 38th percentile

○ In CISA KEV○ Public exploit / PoC◆ SSVC: exploitation none, automatable no

Impact if exploited

8.5CVSS 3.1 · HIGH · CNA

  • ConfidentialityHigh
  • IntegrityHigh
  • AvailabilityHigh

What an attacker needs

  • ✓Access: Reachable over the network — no local access needed
  • ⚠Privileges: Requires a low-privilege account
  • ✓User interaction: No user interaction needed
  • ⚠Complexity: Needs a race window or specific setup

✓ lowers the bar for an attacker · ⚠ raises it

Proof of concept & exploit code

No public exploit or proof-of-concept code is catalogued for this CVE (no ExploitDB, Nuclei, or CISA-KEV entry). It may still exist — search GitHub or check the references below.

Affected

Vendors Adobe Linux Microsoft

Products Adobe Campaign Classic Campaign Linux Kernel Windows

Weakness (CWE)

  • CWE-20: Improper Input Validation (CWE-20)

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H

Known Affected Software Configurations

VendorProductVersion range
AdobeCampaign≤ 7.4.3
AdobeCampaign7.4.4
AdobeCampaign7.4.4

All CVSS metrics

  • HIGH 8.5 v3.1 · CNA Primary
    CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
  • HIGH 8.5 v3.1 · NVD Secondary
    CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H

References

Advisories

Sources: NVD · CVE.org · EPSS