CVE-2026-82443

CRITICALNVD 9.99.9—
EchelonGraph scoreMEDIUM confidence

This critical-severity CVE scores 9.9 under NVD CVSS v3. EPSS exploit probability: 0.7%, top 47% of all CVEs by exploit prediction. GitHub Security Advisory enrichment pending alignment with NVD CVSS.

Triggered by: NVD CVSS baseline
Sources: epss, ghsa, nvd
Trending — 5 sources updated this week
9.9EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 9.9Exploit: None knownExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

Adobe Campaign Classic (ACC) is affected by a Server-Side Request Forgery (SSRF) vulnerability that could result in privilege escalation. A low-privileged attacker could exploit this vulnerability to gain elevated access to internal resources. Exploitation of this issue does not require user interaction. Scope is changed.

CVSS v3
9.9
EG Score
9.9(medium)
EG Risk
45(Track)
EG Risk 45/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity99% × 45%
Exploitation1% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
53%
KEV
Not listed

Published

September 22, 2026

Last Modified

September 23, 2026

References (1)

Vendor Advisories for CVE-2026-82443(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 20× in last 7d / 20× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-09-24 04:13 UTCGHSA enrichment
  2. 2026-09-24 00:30 UTCGHSA enrichment
  3. 2026-09-23 20:48 UTCEG score recompute▲ 0.30
  4. 2026-09-23 20:48 UTCGHSA enrichment
  5. 2026-09-23 20:48 UTCNVD updateCVSS v3 → 9.9
  6. 2026-09-23 17:54 UTCEPSS rescore
  7. 2026-09-23 17:51 UTCGHSA enrichment
  8. 2026-09-23 14:09 UTCGHSA enrichment
  9. 2026-09-23 10:28 UTCGHSA enrichment
  10. 2026-09-23 06:46 UTCGHSA enrichment
  11. 2026-09-23 03:05 UTCGHSA enrichment
  12. 2026-09-22 23:23 UTCGHSA enrichment
  13. 2026-09-22 19:38 UTCGHSA enrichment
  14. 2026-09-22 19:11 UTCEG score recompute
  15. 2026-09-22 19:11 UTCGHSA enrichment
  16. 2026-09-22 18:48 UTCEG score recompute
  17. 2026-09-22 18:48 UTCGHSA enrichment
  18. 2026-09-22 18:32 UTCEG score recompute
  19. 2026-09-22 17:48 UTCEG score recompute
  20. 2026-09-22 17:48 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-82443?
CVE-2026-82443 is a critical vulnerability published on September 22, 2026. Adobe Campaign Classic (ACC) is affected by a Server-Side Request Forgery (SSRF) vulnerability that could result in privilege escalation. A low-privileged attacker could exploit this vulnerability to gain elevated access to internal resources. Exploitation of this issue does not require user…
When was CVE-2026-82443 disclosed?
CVE-2026-82443 was first published in the National Vulnerability Database on September 22, 2026, with the most recent update on September 23, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-82443 actively exploited?
CVE-2026-82443 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 47.2% of all scored CVEs.
What is the CVSS score of CVE-2026-82443?
CVE-2026-82443 has a CVSS v3 base score of 9.9 (NVD).
How do I remediate CVE-2026-82443?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-82443, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2026-82443

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