Internet Explorer Memory Corruption Vulnerability
CVE-2021-26411
Key Information:
- Vendor
Microsoft
- Vendor
- CVE Published:
- 11 March 2021
Badges
What is CVE-2021-26411?
Internet Explorer Memory Corruption Vulnerability
CISA has reported CVE-2021-26411
CISA provides regional cyber and physical services to support security and resilience across the United States. CISA monitor the most dangerious vulnerabilities and have identifed CVE-2021-26411 as being exploited and is known by the CISA as enabling ransomware campaigns.
The CISA's recommendation is: Apply updates per vendor instructions.
Affected Version(s)
Internet Explorer 11 Windows 10 Version 1803 for 32-bit Systems 1.0.0
Internet Explorer 9 Windows Server 2008 for 32-bit Systems Service Pack 2 1.0.0
Microsoft Edge (EdgeHTML-based) Windows 10 Version 1803 for 32-bit Systems 1.0..0
Exploit Proof of Concept (PoC)
PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.
References
EPSS Score
89% chance of being exploited in the next 30 days.
CVSS V3.1
Timeline
- 🟡
Public PoC available
- 💰
Used in Ransomware
- 👾
Exploit known to exist
- 🦅
CISA Reported
Vulnerability published
Vulnerability Reserved