Acronis — known exploited vulnerabilities
The CISA Known Exploited Vulnerabilities catalog (KEV) lists vulnerabilities that CISA has confirmed are being exploited in the wild; U.S. federal civilian agencies are required to remediate each entry by its due date. This page joins the KEV entries for Acronis with NVD CVSS scores and CISA's ransomware-campaign flag. See our methodology or browse all CVEs.
Key findings
CISA's Known Exploited Vulnerabilities catalog lists 2 Acronis vulnerabilities confirmed as exploited in the wild across 2 products; none are currently flagged as used in known ransomware campaigns. Backup and Cyber Infrastructure (ACI) are tied as the most-affected products, with 1 entry each (50% of the total each). CISA added 1 entry in 2026 so far, compared with 0 in 2025. Across the 2 entries with an NVD CVSS score (100% of the total), the average score is 8.8; 1 entry is rated critical by NVD. The most recent addition is CVE-2026-87886 (Acronis Backup Incorrect Default Permissions Vulnerability), added on 2026-09-16.
Affected products
| Product | Entries | Share |
|---|---|---|
| Backup | 1 | 50% |
| Cyber Infrastructure (ACI) | 1 | 50% |
Entries added per year
By date added to the KEV catalog
Exploited Acronis vulnerabilities (2)
Newest first. CVSS scores from NVD where available.
| CVE | Product | Vulnerability | Date added | Ransomware | CVSS |
|---|---|---|---|---|---|
| CVE-2026-87886 | Backup | Acronis Backup Incorrect Default Permissions Vulnerability | 2026-09-16 | — | HIGH7.8 |
| CVE-2023-45249 | Cyber Infrastructure (ACI) | Acronis Cyber Infrastructure (ACI) Insecure Default Password Vulnerability | 2024-07-29 | — | CRITICAL9.8 |
Source: CISA Known Exploited Vulnerabilities catalog, joined with NIST NVD CVSS data. Vendor names are normalized across spellings. Compare all vendors.

