Is CVE-2022-26501 in the CISA KEV catalog?

Yes. CVE-2022-26501 is on the CISA Known Exploited Vulnerabilities list, added 2022-12-13, and has known ransomware campaign use.

What is the CVSS severity of CVE-2022-26501?

CVE-2022-26501 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2022-26501?

CVE-2022-26501 has an EPSS score of 4.28% (90th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2022-26501

CRITICALCISA KEVEPSS 90th pctl

9.8

CVSS v3

NVD

Description

Veeam Backup & Replication 10.x and 11.x has Incorrect Access Control (issue 1 of 2).

CWE-306

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

4.28%probability of exploitation in 30 days

90thpercentile

Elevated risk: more likely to be exploited than 90% of all known CVEs.

Known Exploited Vulnerability (CISA KEV)

Veeam Backup & Replication Remote Code Execution Vulnerability

The Veeam Distribution Service in the Backup & Replication application allows unauthenticated users to access internal API functions. A remote attacker can send input to the internal API which may lead to uploading and executing of malicious code.

Apply updates per vendor instructions.

Remediation due: 2023-01-03

Associated with ransomware campaigns

References

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-11-03.