October 22, 2026

CVE Watchtower

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CVE-2026-17136NVD

Vulnerability Summary

IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a remote attacker to execute arbitrary code due to a format string vulnerability.
Severity Level
CRITICAL(9.8)
Published Date
Aug 20, 2026
Last Modified
Aug 25, 2026
Exploitation Status
No confirmed exploitation yet
EPSS Score (30-Day)
0.60%Probability
Root Weakness (CWE)
CWE-134: Unknown/Unlisted Weakness ↗
Refer to the official MITRE database for detailed architectural specifications regarding this weakness.
CVSS v3.1 Base Metrics — Score 9.8 (CRITICAL)
Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

Affected & Patched Versions

Affected Versions
  • Ibm Vios >= 4.1.0 and < 4.1.0.50
  • Ibm Vios >= 4.1.1.0 and < 4.1.1.30
  • Ibm Vios >= 4.1.2.0 and < 4.1.2.20
  • Ibm Aix >= 7.2.5 and <= 7.2.5.212
  • Ibm Aix >= 7.3.2 and <= 7.3.2.5
  • Ibm Aix >= 7.3.3 and <= 7.3.3.2
  • Ibm Aix >= 7.3.4 and <= 7.3.4.1
Patched Versions
  • Ibm Vios 4.1.0.50
  • Ibm Vios 4.1.1.30
  • Ibm Vios 4.1.2.20
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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