CVE-2021-26411

ENISA EUVD: EUVD-2021-13217 ↗
Exploited in the Wild ✓ Confirmed 0-Day ★ Google Project Zero
Triaged: March 5, 2026 4 articles Published: 2021-03-11
VulnLookup ↗ NVD ↗ EUVD ↗ MITRE ↗ Advisory ↗ P0 Sheet ↗ CISA KEV ↗

EPSS Score

Source: FIRST.org · 2026-05-23
92.47%
probability
This CVE has a 92.47% probability of being exploited in the next 30 days.
0% Top 99.7th percentile of all CVEs 100%

CVSS v3.1

Source: VulnerabilityLookup (CIRCL)
8.8
HIGH
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
High
Availability
Low
Temporal
Exploit Code Maturity
Proof-of-Concept
Remediation Level
Official Fix
Report Confidence
Confirmed
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:H/A:L/E:P/RL:O/RC:C

CVSS v2 (legacy)

5.1
MEDIUM
Access Vector
Network
Access Complexity
High
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Partial
AV:N/AC:H/Au:N/C:P/I:P/A:P

Description

NVD
Internet Explorer Memory Corruption Vulnerability

Affected Products

Microsoft
Internet Explorer 9
1.0.0
Microsoft
Internet Explorer 11
1.0.0
Microsoft
Microsoft Edge (EdgeHTML-based)
1.0..0

Attack Intelligence

Google Project Zero

Patched
March 9, 2021
Reported by
yangkang(@dnpushme) & huangyi(@C0rk1_H) & Enki
Root Cause Analysis
https://googleprojectzero.github.io/0days-in-the-wild/0day-RCAs/2021/CVE-2021-26411.html

Exploits & PoC

CrackerCat/CVE-2021-26411
2 2021-11-18
1 repo — triés par ⭐ Rechercher sur GitHub ↗

Signal Intelligence

Confidenceⓘ
95%
EPSS 92.47%
CVSS v3.1 8.8
Mentions 4
Last Seen Nov 09, 2021

CNA Information

CNA Assigner
microsoft
CNA Title
Internet Explorer Memory Corruption Vulnerability

Analyst Note

Auto-imported from Google Project Zero — confirmed zero-day by definition.

Triage Info

Decided atMar 05, 2026
Published DateMar 11, 2021