CVE Watchtower

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CVE-2026-72971NVD

Vulnerability Summary

Improper link resolution before file access ('link following') in Windows Container Isolation FS Filter Driver (unionfs.sys) allows an authorized attacker to perform tampering locally.
Severity Level
MEDIUM(5.5)
Published Date
Aug 11, 2026
Last Modified
Aug 14, 2026
Exploitation Status
ACTIVE
EPSS Score (30-Day)
0.47%Probability
Root Weakness (CWE)
Refer to the official MITRE database for detailed architectural specifications regarding this weakness.
CVSS v3.1 Base Metrics — Score 5.5 (MEDIUM)
Attack VectorLocal
Attack ComplexityLow
Privileges RequiredLow
User InteractionNone
ScopeUnchanged
ConfidentialityNone
IntegrityHigh
AvailabilityNone

Affected & Patched Versions

Affected Versions
  • Microsoft Windows 11 26h1 < 10.0.28000.2704
Patched Versions
  • Microsoft Windows 11 26h1 10.0.28000.2704
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📈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.
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