CVE Watchtower

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CVE-2026-21667NVD

Vulnerability Summary

A vulnerability allowing an authenticated domain user to perform remote code execution (RCE) on the Backup Server.
Severity Level
CRITICAL(9.9)
Published Date
Mar 12, 2026
Last Modified
Mar 31, 2026
Exploitation Status
No confirmed exploitation yet
EPSS Score (30-Day)
0.35%Probability
Root Weakness (CWE)
Refer to the official MITRE database for detailed architectural specifications regarding this weakness.
CVSS v3.1 Base Metrics — Score 9.9 (CRITICAL)
Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredLow
User InteractionNone
ScopeChanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

Affected & Patched Versions

Affected Versions
  • Veeam Veeam Backup \& Replication >= 12.0.0.1402 and < 12.3.2.4465
Patched Versions
  • Veeam Veeam Backup \& Replication 12.3.2.4465
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🚫Ad-Free — Uninterrupted experience.
🎁7-Day Free Trial — Try Pro or Team, no card required.
📧Email Delivery — Threat intel straight to your inbox.
♾️Unlimited Vendors — Track your entire stack.
🚨All New CVEs — Be the first to know.
📈EPSS Spike Alerts — Catch rising risk before it peaks.
🎯Custom EPSS/CVSS — Filter noise, focus on risk.
🛡️Exploit Intel — A 2nd confirmed-exploit signal beyond KEV.
🐙GitHub Issues — Auto-tracked, no duplicates.
📬Weekly Digest — One clean summary, not inbox spam.
🏷️Watchlist Groups — Tag alerts by team (Infra/AppSec/SOC).
💬Webhooks — Slack & Teams integration.
🔀Smart Routing — Critical alerts to one channel, rest to another.
🚫Ad-Free — Uninterrupted experience.

External References