CVE-2019-1255 is a denial of service vulnerability in Microsoft Defender, affecting Microsoft products. It carries a CVSS score of 7.5 (HIGH), indicating it can be exploited remotely with low complexity, requiring no user interaction, to achieve a complete denial of service. While there is no evidence of active exploitation (not in KEV), no public exploit code (Metasploit, Nuclei, ExploitDB), and limited community discussion, it has received some media coverage.
| 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:forefront_endpoint_protection_2010:-:*:*:*:*:*:*:* | ||
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:a:microsoft:security_essentials:-:*:*:*:*:*:*:* | ||
All Versions ImpactedCPE matchmatch criteria | cpe:2.3:a:microsoft:system_center_endpoint_protection:*:*:*:*:*:*:*:* | ||
2012CPE matchmatch criteria | cpe:2.3:a:microsoft:system_center_endpoint_protection:2012:-:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.