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KEV Entry

CVE-2026-87886

Known Exploited Vulnerability Entry Previdian

Entry Details
Confirmed Exploited

CVE-2026-87886

2026-09-15 21:57 UTC


Timestamps

2026-09-15

2026-09-15


Scope

Acronis Backup plugin Local privilege escalation due to insecure file permissions | Affected: Acronis / Acronis Backup | CVSS: 7.8 (HIGH) | Used in malware: unknown | Listed 21 hours ahead of CISA KEV | Not yet in CISA KEV: False


References
  • {'id': 'CVE-2026-87886', 'url': 'https://www.cve.org/CVERecord?id=CVE-2026-87886'}
  • {'id': 'previdian', 'url': 'https://previdian.com/CVE-2026-87886'}

5c238c9c-ce9f-448b-b2cf-c1ad073c5b59

Previdian
caeb2787-0d58-4236-9039-7c86c3e566f3

2026-09-16 22:00 UTC

2026-09-16 22:00 UTC

Evidence
1
Type Source Signal Confidence Details GCVE Metadata
public_report previdian successful_exploitation 0.70
View details
{
  "added_date": "2026-09-15T21:57:00.000Z",
  "ahead_of_cisa_kev": {
    "count": 21,
    "unit": "hour"
  },
  "cve_id": "CVE-2026-87886",
  "cvss_estimated": false,
  "cvss_score": 7.8,
  "cvss_severity": "HIGH",
  "epss_percentile": null,
  "epss_score": null,
  "feed": "Previdian (previdian.com)",
  "ghsa_id": null,
  "not_yet_in_cisa_kev": false,
  "previous_ids": [],
  "product": "Acronis Backup",
  "title": "Acronis Backup plugin Local privilege escalation due to insecure file permissions",
  "used_in_malware": "unknown",
  "vendor": "Acronis",
  "virtual_patch": false,
  "vulnerability_id": "CVE-2026-87886"
}
-