Deserialization of untrusted data in Veeam Agent for Windows 2.0, 2.1, 2.2, 3.0.2, 4.x…
Priority LOW 35CWE-502Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-502.
Summary
Deserialization of untrusted data in Veeam Agent for Windows 2.0, 2.1, 2.2, 3.0.2, 4.x, and 5.x allows local users to run arbitrary code with local system privileges.
Why it matters now
EPSS 0.0069 53rd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 6
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:veeam:veeam:*:*:*:*:*:*:*:* | 4.0.0 to before 4.0.2.2208; 5.0.0 to before 5.0.3.4708 | Vulnerable | Veeam |
| cpe:2.3:a:veeam:veeam:2.0:*:*:*:*:*:*:* | 2.0 | Vulnerable | Veeam |
| cpe:2.3:a:veeam:veeam:2.1:*:*:*:*:*:*:* | 2.1 | Vulnerable | Veeam |
| cpe:2.3:a:veeam:veeam:2.2:*:*:*:*:*:*:* | 2.2 | Vulnerable | Veeam |
| cpe:2.3:a:veeam:veeam:3.0.2:*:*:*:*:*:*:* | 3.0.2 | Vulnerable | Veeam |
| cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Microsoft |
- cpe:2.3:a:veeam:veeam:*:*:*:*:*:*:*:* Versions 4.0.0 to before 4.0.2.2208; 5.0.0 to before 5.0.3.4708 Vulnerable ·Veeam
- cpe:2.3:a:veeam:veeam:2.0:*:*:*:*:*:*:* Versions 2.0 Vulnerable ·Veeam
- cpe:2.3:a:veeam:veeam:2.1:*:*:*:*:*:*:* Versions 2.1 Vulnerable ·Veeam
- cpe:2.3:a:veeam:veeam:2.2:*:*:*:*:*:*:* Versions 2.2 Vulnerable ·Veeam
- cpe:2.3:a:veeam:veeam:3.0.2:*:*:*:*:*:*:* Versions 3.0.2 Vulnerable ·Veeam
- cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2022-26503
- 2026-10-03 Alias added: GHSA-fx7m-48gf-38cm
References
Sources
- CVE-2022-26503 · CVE Program
- CVE-2022-26503 · NVD
- FIRST EPSS
- GHSA-fx7m-48gf-38cm · GitHub Advisory Database · CC BY 4.0
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