AUGUST 4, 2026
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Case File

CVE-2021-26411

HIGH · CVSS 8.8 EPSS 80.67% CISA KEV · Actively Exploited

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-03-11 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

CISA KEV Details

Status: This CVE is listed in CISA's Known Exploited Vulnerabilities catalog.

Ransomware use: Known

Added to KEV: 2021-11-03

Required action: Apply updates per vendor instructions.

CVE
CVE-2021-26411
Severity
HIGH
CVSS
8.8
EPSS
80.67%

Original NVD Description

Internet Explorer Memory Corruption Vulnerability