CVE detail
CVE-2021-42298
Microsoft Defender Remote Code Execution Vulnerability
Buzz score
Why this CVE is surfacing
This all-time snapshot uses the same composite formula as Trending across a 30-year evidence window, rather than a current rolling window.
Buzz score components · mention 13.9 · diversity 8.0 · KEV 0.0 · OTX 0.0 · PoC 0.0
Why it matters now
Mention timeline
- Total mentions
- 0
- within the 30d window
- Peak daily
- 0
- highest bucket
Evidence
Source links by recency
3 source links · newest first
- Google links three exploitation frameworks to Spanish commercial spyware vendor VaristonSecurity Affairs
Google’s Threat Analysis Group (TAG) linked three exploitation frameworks to a Spanish surveillance spyware vendor named Variston. While tracking the activities of commercial spyware vendors, Threat Analysis Group (TAG) spotted an exploitation framework likely linked Variston IT, a Spanish firm. Officially, Variston claims to provide custom security solutions and custom patches for embedded system. The […]
newssecurityaffairs.comNov 30, 2022, 9:35 PM Google’s Threat Analysis Group (TAG) has linked three exploitation frameworks, as well as several vulnerabilities that were likely used as zero-days at some point, to a Spanish commercial spyware vendor named Variston.
newswww.securityweek.comNov 30, 2022, 12:57 PM- Microsoft patches actively exploited Exchange, Excel zero-days (CVE-2021-42321, CVE-2021-42292)Help Net Security
It’s a light November 2021 Patch Tuesday from Microsoft: 55 fixed CVEs, of which two are zero-days under active exploitation: CVE-2021-42321, a Microsoft Exchange RCE, and CVE-2021-42292, a Microsoft Excel security feature bypass bug. Vulnerabilities of note CVE-2021-42321, the remote code execution vulnerability in Microsoft Exchange Server 2016 and 2019, is due to issues with the validation of command-let (cmdlet) arguments. “In order to exploit this flaw, an attacker would need to be authenticated, which … More →
newswww.helpnetsecurity.comNov 9, 2021, 8:01 PM
Exploit code
Public exploit repository references
Public PoC repositories are third-party, potentially unsafe artifacts. Treat their code as untrusted and use it only on authorized systems in an isolated, least-privilege environment. cvebuzz does not execute the code or verify that an exploit works.
0 repository references · best confidence N/A · max 0 stars
Related records
Similar CVEs
6 related CVEs with shared weakness or product evidence
- CVE-2026-12946CVSS 9.9 · Critical
IBM Langflow OSS 1.0.0 through 1.10.0 could allow a remote attacker to inject arbitrary code on the system, due to the improper control of user input code.
- CVE-2026-61536CVSS 7.5 · High
Banks generates meaningful LLM prompts using a simple template language. In versions prior to 2.4.3, banks parses Tool JSON objects from the rendered body of {% completion %} bloc…
- CVE-2026-18245CVSS 6.4 · Medium
Improper control of code generation in Amazon @aws-amplify/codegen-ui-react before 2.20.6 might allow a remote authenticated user to execute arbitrary code in end-user browsers, d…
- CVE-2026-13435CVSS 9.9 · Critical
IBM Langflow OSS 1.0.0 through 1.10.1 contains an improper input validation vulnerability in the PythonREPL sandbox implementation.
- CVE-2026-14602CVSS 9.0 · Critical
The Remote API WordPress plugin through 0.2 does not authenticate a request before deserializing user-supplied input, allowing unauthenticated attackers to inject arbitrary PHP ob…
- CVE-2026-17922CVSS 8.8 · High
Inappropriate implementation in Enterprise in Google Chrome prior to 151.0.7922.72 allowed a remote attacker to execute arbitrary code via a crafted HTML page. (Chromium security…