CVE-2026-21672Disclosure

LOWCVSS 8.8 · HIGH

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Patch affected systems immediately

Recommended action window: Monitor and triage in normal cycle

NVD description

A vulnerability allowing local privilege escalation on Windows-based Veeam Backup & Replication servers.

0.5/ 10 priority

Sources & remediation

Weakness type (CWE)
CWE-538

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

STABLE

Threat summary

  • Patch or workaround signal is available
  • 8 mentions across 3 observed days
  • Momentum state: stable

What's happening

  • Patch or workaround mentioned in 2 signals
  • Technical details provided in 6 signals
  • Disclosure: 5 classified signals
  • General: 1 classified signal
  • Peaked 2d ago at 4 mentions (2026-03-12); latest day: 1
  • 8 total mentions across 3 days

Deep dive

Activity timeline8 mentions / 3d
01234Mentions · 2026-03-12: 4Mentions · 2026-03-13: 3Mentions · 2026-03-19: 1Patch / Workaround · 2026-03-13: 2Technical Details · 2026-03-12: 4Technical Details · 2026-03-13: 1Technical Details · 2026-03-19: 103-1203-1303-19
Signal classification3 categories
Disclosure
562.5%
Patch
225.0%
General
112.5%
Referenced assets8 URLs
Classification over time
DateTotalLabels
2026-03-124
Disclosure4
2026-03-133
Disclosure1Patch2
2026-03-191
General1
Full discourse8 posts
  • Autumn Good@autumn_good_35
    Patch

    🚨🚨🚨 CVE-2026-21669 CVE-2026-21670 CVE-2026-21671 CVE-2026-21672 CVE-2026-21708 KB4831: Vulnerabilities Resolved in Veeam Backup & Replication 13.0.1.2067 https://www.veeam.com/kb4831

    Post summary

    The post announces that CVE-2026-21669 through CVE-2026-21708 have been addressed by a Veeam patch (13.0.1.2067), indicating a standard security update release.

    00001330
    6.7K followersView on X
  • IntegSec@integ_sec
    General

    CVE-2026-21672: Veeam Backup & Replication Local Privilege Escalation Bug - What It Means for Your Business and How to Respond https://hubs.li/Q047xT2J0

    Post summary

    The text is a headline for an article that discusses a Veeam local privilege escalation vulnerability, outlining its business impact and suggesting steps to respond.

    0000021
    29 followersView on X
  • Autumn Good@autumn_good_35
    Patch

    🚨🚨🚨 CVE-2026-21666 CVE-2026-21667 CVE-2026-21668 CVE-2026-21672 CVE-2026-21708 KB4830: Vulnerabilities Resolved in Veeam Backup & Replication 12.3.2.4465 https://www.veeam.com/kb4830

    Post summary

    The post lists multiple CVE identifiers for Veeam Backup & Replication and links to a KB article that states these vulnerabilities are fixed in version 12.3.2.4465.

    00000322
    6.7K followersView on X
  • dbugs@ptdbugs
    Disclosure

    CVE: CVE-2026-21672 Vendor: Veeam Product: Backup and Recovery CVSS: 8.8 Credits: n/a Description: A vulnerability allowing local privilege escalation on Windows-based Veeam Backup & Replication servers. References: • https://dbugs.ptsecurity.com/vulnerability/CVE-2026-21672 • https://www.veeam.com/kb4831 • https://www.veeam.com/kb4830 #dbugs_vuln

    Post summary

    CVE‑2026‑21672 is a local privilege escalation vulnerability in Veeam Backup & Replication with a CVSS of 8.8, publicly disclosed and referenced through vendor knowledge‑base pages.

    0000069
    593 followersView on X
  • CVE@CVEnew
    Disclosure

    CVE-2026-21672 A vulnerability allowing local privilege escalation on Windows-based Veeam Backup & Replication servers. https://www.cve.org/CVERecord?id=CVE-2026-21672

    Post summary

    A local privilege escalation vulnerability (CVE‑2026‑21672) was disclosed for Windows-based Veeam Backup & Replication servers.

    00000179
    56.7K followersView on X
  • Vulmon Vulnerability Feed@VulmonFeeds
    Disclosure

    CVE-2026-21672 Local Privilege Escalation Vulnerability in Veeam Backup & Replication on Windows https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-21672

    Post summary

    The content announces a new local privilege escalation vulnerability (CVE-2026-21672) affecting Veeam Backup & Replication on Windows, but does not provide details on PoC, exploits, active attacks, patches, or false positive status.

    0000023
    4.0K followersView on X
  • The Hacker Wire@TheHackerWire
    Disclosure

    🟠 CVE-2026-21672 - High A vulnerability allowing local privilege escalation on Windows-based Veeam Backup & Replication servers. https://www.thehackerwire.com/vulnerability/CVE-2026-21672/ https://t.co/8C1gt5h6Qp

    Post summary

    The post announces a new CVE (CVE‑2026‑21672) that allows local privilege escalation on Windows-based Veeam Backup & Replication servers, with no PoC, exploit, patch, or active exploitation details provided.

    0000034
    134 followersView on X
  • CVEFind.com@CveFindCom
    Disclosure

    [CVE-2026-21672: HIGH] A vulnerability allowing local privilege escalation on Windows-based Veeam Backup & Replication servers.#cve,CVE-2026-21672,#cybersecurity https://cvefind.com/CVE-2026-21672

    Post summary

    The tweet announces a high‑severity local privilege escalation vulnerability (CVE-2026-21672) affecting Windows‑based Veeam Backup & Replication servers, without providing any PoC, exploit, or mitigation details.

    0000041
    601 followersView on X

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