How severe is CVE-2022-26501?

CVE-2022-26501 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-26501 being actively exploited?

Yes. CVE-2022-26501 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2022-12-13, which means active exploitation has been confirmed. It should be prioritised for remediation.

What products are affected by CVE-2022-26501?

CVE-2022-26501 primarily affects Veeam Veeam Backup & Replication. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-26501?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.

Does CVE-2022-26501 have an EU (EUVD) identifier?

Yes. CVE-2022-26501 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2022-31059. It is also flagged as exploited in the EUVD (since 2022-12-13).

When was CVE-2022-26501 published?

CVE-2022-26501 was published on 2022-03-17 and last updated on 2026-06-17.

CVE-2022-26501

CVE-2022-26501 is a critical-severity vulnerability in Veeam Veeam Backup & Replication with a CVSS 3.x base score of 9.8. It is listed in CISA's Known Exploited Vulnerabilities (KEV) catalog, confirming it has been exploited in the wild (added 2022-12-13). The underlying weakness is classified as CWE-306.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 10.0
EPSS exploit prediction: 4% (90th percentile)
Actively exploited: Yes — listed in CISA KEV (added 2022-12-13)
EU (EUVD) id: EUVD-2022-31059
EU exploitation: Flagged exploited in the ENISA EU Vulnerability Database (since 2022-12-13)
Weakness: CWE-306
Affected product: Veeam Veeam Backup & Replication
Published: 2022-03-17
Last modified: 2026-06-17

Description

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

Frequently asked questions

What is CVE-2022-26501?: Veeam Backup & Replication 10.x and 11.x has Incorrect Access Control (issue 1 of 2).
How severe is CVE-2022-26501?: CVE-2022-26501 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-26501 being actively exploited?: Yes. CVE-2022-26501 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2022-12-13, which means active exploitation has been confirmed. It should be prioritised for remediation.
What products are affected by CVE-2022-26501?: CVE-2022-26501 primarily affects Veeam Veeam Backup & Replication. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-26501?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.
Does CVE-2022-26501 have an EU (EUVD) identifier?: Yes. CVE-2022-26501 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2022-31059. It is also flagged as exploited in the EUVD (since 2022-12-13).
When was CVE-2022-26501 published?: CVE-2022-26501 was published on 2022-03-17 and last updated on 2026-06-17.

References

Affected products (7)

cpe:2.3:a:veeam:veeam_backup_\&_replication:*:*:*:*:*:*:*:*
cpe:2.3:a:veeam:veeam_backup_\&_replication:10.0.1.4854:-:*:*:*:*:*:*
cpe:2.3:a:veeam:veeam_backup_\&_replication:10.0.1.4854:p20201202:*:*:*:*:*:*
cpe:2.3:a:veeam:veeam_backup_\&_replication:10.0.1.4854:p20210609:*:*:*:*:*:*
cpe:2.3:a:veeam:veeam_backup_\&_replication:11.0.1.1261:-:*:*:*:*:*:*
cpe:2.3:a:veeam:veeam_backup_\&_replication:11.0.1.1261:p20211123:*:*:*:*:*:*
cpe:2.3:a:veeam:veeam_backup_\&_replication:11.0.1.1261:p20211211:*:*:*:*:*:*

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