HIGH CISA-KEV ACTIVELY EXPLOITED

CVE-2026-87886

Acronis Backup Incorrect Default Permissions Vulnerability

Acronis Backup plugin for cPanel & WHM and extension for Plesk contains an incorrect default permissions vulnerability that could allow for privilege escalation.

Affected Products

Acronis: Backup

References

Published: 2026-09-16 · Source: CISA-KEV · Feed updated: 2026-09-16

This high severity vulnerability was published on 2026-09-16 via CISA-KEV. ⚠ This vulnerability is in the CISA Known Exploited Vulnerabilities (KEV) catalog — it is being actively exploited in the wild. Affected: Acronis: Backup.

Risk Timeline

CVE Disclosed2026-09-16 · 0 days ago

CISA KEV — Actively ExploitedU.S. federal agencies required to patch · confirmed threat-actor activity

Remediation Resources

CISA / KEV

www.cisa.gov/known-exploited-vulnerabilities-catalog

NVD / MITRE

nvd.nist.gov/vuln/detail/CVE-2026-87886

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