CVE-2021-1647 is a critical remote code execution vulnerability affecting Microsoft Defender, allowing an attacker to execute arbitrary code with elevated privileges. With a CVSS score of 7.8 (HIGH), it presents a significant risk due to its low attack complexity and high impact on confidentiality, integrity, and availability. This vulnerability is actively exploited in the wild, as confirmed by its presence in the CISA KEV catalog, and has garnered substantial community attention and media coverage. Despite active exploitation, no public exploit code is currently available on platforms like Metasploit or ExploitDB.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:a:microsoft:windows_defender:-:*:*:*:*:*:*:* | ||
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:a:microsoft:security_essentials:-:*:*:*:*:*:*:* | ||
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:a:microsoft:system_center_endpoint_protection:-:*:*:*:*:*:*:* | ||
2012CPE matchmatch criteria | cpe:2.3:a:microsoft:system_center_endpoint_protection:2012:-:*:*:*:*:*:* | ||
2012CPE matchmatch criteria | cpe:2.3:a:microsoft:system_center_endpoint_protection:2012:r2:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.