Deserialization in Veeam Backup And Replication
CVE-2026-44963
A vulnerability allowing remote code execution (RCE) on the Backup Server by an authenticated domain user.
Vulnerability class: Insecure Deserialization
EPSS: 0.024 (81.9th percentile) — read the EPSS interpretation.
Affected products
- Veeam Backup And Replication — versions 0
Weakness classification (CWE)
Public proof-of-concept exploits
References
Frequently asked questions
- What is CVE-2026-44963?
- CVE-2026-44963 is a vulnerability in Veeam Backup And Replication, classified under Deserialization of Untrusted Data. Published 2026-06-09.
- Is CVE-2026-44963 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.