Learn about CVE-2021-36930, a medium-severity vulnerability impacting Microsoft Edge. Find out its impact, affected versions, and mitigation steps.
Microsoft Edge (Chromium-based) Elevation of Privilege Vulnerability was published on September 2, 2021, with a CVSS base score of 5.3. This CVE affects Microsoft Edge versions less than 93.0.961.38 and falls under the Impact type of Elevation of Privilege.
Understanding CVE-2021-36930
This section will cover the details regarding CVE-2021-36930, its impact, technical description, affected systems, exploitation mechanism, as well as mitigation and prevention methods.
What is CVE-2021-36930?
The CVE-2021-36930 is an Elevation of Privilege Vulnerability in Microsoft Edge (Chromium-based) that allows an attacker to gain elevated privileges on the system, potentially leading to further attacks and unauthorized access.
The Impact of CVE-2021-36930
This vulnerability has a base severity of MEDIUM with a CVSS base score of 5.3. Attackers exploiting this vulnerability can escalate their privileges on the affected system, posing a significant risk to data confidentiality, integrity, and system availability.
Technical Details of CVE-2021-36930
Let's delve deeper into the technical aspects of CVE-2021-36930, including its vulnerability description, affected systems, versions, and exploitation mechanism.
Vulnerability Description
The vulnerability in Microsoft Edge (Chromium-based) allows an attacker to execute arbitrary code with elevated privileges on the target system, potentially leading to a complete system compromise.
Affected Systems and Versions
Microsoft Edge versions prior to 93.0.961.38 are affected by this vulnerability. Users with versions below this are at risk of exploitation and should take immediate action to mitigate the threat.
Exploitation Mechanism
Attackers can exploit this vulnerability by crafting a specific request, tricking the system into executing rogue code, thereby gaining elevated privileges and control over the compromised system.
Mitigation and Prevention
To safeguard your system from CVE-2021-36930, follow these mitigation and prevention strategies.
Immediate Steps to Take
Users are advised to update their Microsoft Edge browser to version 93.0.961.38 or above to patch the vulnerability. Additionally, exercise caution while browsing untrusted websites or clicking on suspicious links to minimize the risk of exploitation.
Long-Term Security Practices
Implementing regular software updates, using reputable security software, and educating users on cybersecurity best practices can enhance the overall security posture and reduce the likelihood of successful attacks.
Patching and Updates
Stay informed about security updates released by Microsoft for Microsoft Edge (Chromium-based) and ensure timely installation of patches to address known vulnerabilities and protect your system from potential threats.