Vulnerability intelligence
CVE-2026-21858
Official description is being retrieved from NVD — refresh shortly.
CVSS Score
10
Critical
EPSS — Exploit Probability
0.0%
Riskier than 0% of all CVEs
Exploitation
Not in CISA KEV
No federal exploitation record
Remediation
Patch available
Vendor fix published
1 article across 1 outlet · first covered Jul 30, 2026 · latest Jul 30, 2026
Tracked incidents
Coverage timeline
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Chinese-Speaking Threat Actor Harnesses AI Models for Autonomous Cyberattacksunit42.paloaltonetworks.com · Jul 30, 2026