CVE-2026-21709_CVE-2026-21709

6.7 / 10

MEDIUM

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

Description

A vulnerability allowing a local attacker with administrator privileges to bypass Windows Driver Signature Enforcement.

Basic Information

ID CVE-2026-21709

Source hackerone

Published Apr 17, 2026 at 15:32

Modified Apr 20, 2026 at 14:06

Affected Product

Vendor Veeam

Product Backup and Replication

Version 12

Affected Versions Veeam Backup and Replication 12
Veeam Software Appliance 13

CWE Classification

CWE-77

References

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    "lastseen": "",
    "description": "A vulnerability allowing a local attacker with administrator privileges to bypass Windows Driver Signature Enforcement.",
    "published": "2026-04-17T15:32:10.755Z",
    "modified": "2026-04-20T14:06:52.636Z",
    "type": "cve",
    "title": "CVE-2026-21709",
    "source": "hackerone",
    "references": "https://www.veeam.com/kb4830\nhttps://www.veeam.com/kb4831",
    "id": "CVE-2026-21709",
    "bulletinFamily": "",
    "cwe": [
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    "cvelist": null,
    "sourceData": "Veeam Backup and Replication 12\nVeeam Software Appliance 13",
    "sourceHref": "",
    "cvss": {
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        "cvssV3": {
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    "href": "",
    "category_name": "CVE",
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    "product": "Backup and Replication",
    "version": "12",
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}