CVEPublished 2026-02-103 articles on news6 live referencesNVD data

CVE-2026-21513

Vulnerability data via CVEDB (Shodan)

CISA KEVKnown exploited in the wild.
CISA action: Microsoft MSHTML Framework contains a protection mechanism failure vulnerability that could allow an unauthorized attacker to bypass a security feature over a network.
CVSS v3.1
8.8
HIGH
EPSS percentile
96
Exploit Prediction Scoring System · top 4% of all CVEs
Description

Protection mechanism failure in MSHTML Framework allows an unauthorized attacker to bypass a security feature over a network.

Timeline
Published 2026-02-10

External references

Search for exposed instances

Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).

More intel sources (5)

Known PoCs on GitHub (8)