ManageEngine Applications Manager is widely used in IT operations; a high-severity privilege escalation affecting many deployments merits broad attention.
CVE-2026-86683
Low-privileged user can change proxy settings in ManageEngine Applications Manager
Is CVE-2026-86683 being exploited?
Not confirmed. CVE-2026-86683 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 1.7% probability of exploitation in the next 30 days.
How severe is CVE-2026-86683?
CVE-2026-86683 is rated High with a CVSS score of 8.1. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-86683?
Yes. A fix has been recorded for CVE-2026-86683. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-86683 affect?
CVE-2026-86683 affects ManageEngine Applications Manager ≤ 182000, On-premises Applications Manager deployments. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-86683?
Install vendor update, restrict low-priv accounts, and audit proxy configurations.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Low-privileged user can modify proxy settings, enabling traffic interception, exfiltration, monitoring bypass or lateral movement.
Patch when possible
- affected< 182100
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.
cisa ssvc
- exploitation
- none
- automatable
- no
- technical impact
- total
Assessed by CISA 23 Sept 2026 (SSVC 2.0.3).
timeline
- 23 Sept 2026CISA SSVC assessment: exploitation none
- 23 Sept 2026Published · 1 day later
- 24 Sept 2026CVE record last updated · 1 day later
- 25 Sept 2026Analysed by vulneraibility.com · 1 day later
- Linkmanageengine.com /products/applications_manager/security-updates/security-updates-cve-2026-86683.
sources
- CVE List (CVE.org): description, affected versions, references; CVE Terms of Use
- NVD: CVSS and CPE data
- CISA Vulnrichment (ADP): SSVC decision points
- FIRST EPSS: exploit probability and percentile
- Summary, impact and triage tags: written by our AI analysis pipeline from the sources above. Check them against the sources.