CVE-2022-26503

highpriority · track · 41EPSS 0.007 · 53 %ileexploit · PoCDEEURUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · PoC

Likely / severe?

0.69% (53rd) EPSS

CVSS 7.2 · high

Is it mine?

13 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-27

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.

cvss

Technical severity, 0–10. One row per scoring source.

7.8

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.07.2highAV:L/AC:L/Au:N/C:C/I:C/A:Cprimary · NVD / NIST USexploitability 3.9 · impact 10

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 1.8 · impact 5.9

v3.17.8highAV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.17.4highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:Psecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-502USprimaryCWE-502US

exploits (1)

Public proof-of-concept and weaponised exploit code.

sinsinology/CVE-2022-26503sinsinology/CVE-2022-26503PoC · poc_in_github

affected products (13)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
Veeam Software AG Veeam Agent for Microsoft Windows≤ 5.0fstec_bduRU
Veeam Software AG Veeam Agent for Microsoft Windows≤ 4.0fstec_bduRU
Veeam Software AG Veeam Agent for Microsoft Windows≤ 3.0.2fstec_bduRU
Veeam Software AG Veeam Agent for Microsoft Windows≤ 2.2fstec_bduRU
Veeam Software AG Veeam Agent for Microsoft Windows≤ 2.1fstec_bduRU
Veeam Software AG Veeam Agent for Microsoft Windows≤ 2.0fstec_bduRU
veeam veeam= 2.0nvdUScpe:2.3:a:veeam:veeam:*:*:*:*:*:*:*:*
veeam veeam= 2.1nvdUScpe:2.3:a:veeam:veeam:*:*:*:*:*:*:*:*
veeam veeam= 2.2nvdUScpe:2.3:a:veeam:veeam:*:*:*:*:*:*:*:*
veeam veeam= 3.0.2nvdUScpe:2.3:a:veeam:veeam:*:*:*:*:*:*:*:*
veeam veeam4.0.0 → 4.0.2.2208nvdUScpe:2.3:a:veeam:veeam:*:*:*:*:*:*:*:*
veeam veeam5.0.0 → 5.0.3.4708nvdUScpe:2.3:a:veeam:veeam:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2022-2325Veeam Backup & Replication: Mehrere SchwachstellenDeutsch2022-03-13csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Veeam Backup & Replication ausnutzen, um beliebigen Programmcode auszuführen oder seine Privilegien zu erweitern.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu nvd cert_bund NVD CVE.org MITRE

published 2022-03-17modified 2026-06-17

related (3,744)

Related entries.

ID	severity	EPSS	exploitable	published
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Deserialization of untrusted data in Microsoft Office SharePoint allows an unauthorized attacker to execute code over a network.
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Deserialization of untrusted data in Microsoft Office SharePoint allows an unauthorized attacker to execute code over a network.
CVE-2026-12569US	critical9.8OT critical	46.0% (99th)	KEV	2026-06-18
A critical remote code execution (RCE) vulnerability has been reported in PTC Windchill PDMlink and PTC FlexPLM. The vulnerability may be exploited through the deserialization of u…
CVE-2026-45247US	—OT critical	26.2% (98th)	KEV	2026-05-26
Mirasvit Full Page Cache Warmer for Magento 2 before version 1.11.12 contains a PHP object injection vulnerability that allows unauthenticated attackers to achieve remote code exec…

+3739 more

references (7)

External citations — patches, advisories, analysis.

https://cxsecurity.com/cveshow/CVE-2022-26503/cnnvd
https://veeam.com cnnvd
https://www.veeam.com/kb4289 cnnvd
https://veeam.com enisa_euvd
https://www.veeam.com/kb4289 enisa_euvd
https://veeam.comVendor Advisorynvd
https://www.veeam.com/kb4289Vendor Advisorynvd

scry

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