CVE-2021-26432

CVE-2021-26432

Critical · published August 12, 2021

CVSS v3.1
9.8
EPSS
11%
Percentile
96.0
In the wild
Unconfirmed
What it is

🚨 A single flaw in the Windows Services for NFS ONCRPC XDR Driver can grant attackers full control, making it a dream come true for malicious hackers! 🔥 Think of this vulnerability like a security guard at a building who’s been told to let anyone in without checking their ID—anyone could stroll in and take whatever they want! An attacker could exploit this vulnerability to run arbitrary code on your system. The consequences could be absolutely devastating: they could access sensitive data, modify critical files, or even take complete control of the affected system. In a world where cyber threats are becoming more sophisticated, this is a situation you definitely want to avoid!

Put simply

Think of this vulnerability like a security guard at a building who’s been told to let anyone in without checking their ID—anyone could stroll in and take whatever they want! This remote code execution vulnerability exists in the way Windows Services for NFS ONCRPC XDR Driver handles requests, allowing attackers to send crafted input and execute malicious code without authentication.

What to do

An attacker could exploit this vulnerability to run arbitrary code on your system. The consequences could be absolutely devastating: they could access sensitive data, modify critical files, or even take complete control of the affected system. In a world where cyber threats are becoming more sophisticated, this is a situation you definitely want to avoid! To protect your systems, ensure you apply the latest patches from Microsoft immediately. Disable unneeded services and limit access to the affected drivers until you can update. Regularly review and audit your security measures—staying proactive is key! You've got this! Follow these steps and you'll have your defenses strengthened in no time. 🛡️

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.11434 · 96.0th percentile
Published
2021-08-12T22:15Z
Affected products (15)
ProductVersionsFixed in
microsoft/windows_10all versions—
microsoft/windows_10all versions—
microsoft/windows_10all versions—
microsoft/windows_10all versions—
microsoft/windows_10all versions—
microsoft/windows_10all versions—
microsoft/windows_10all versions—
microsoft/windows_8.1all versions—
microsoft/windows_rt_8.1all versions—
microsoft/windows_server_2012all versions—
microsoft/windows_server_2012all versions—
microsoft/windows_server_2016all versions—
microsoft/windows_server_2016all versions—
microsoft/windows_server_2016all versions—
microsoft/windows_server_2019all versions—
References (2)
EPSS history
Timeline
  • 12 AUG 18:11Z
    Windows Services for NFS ONCRPC XDR Driver Remote Code Execution Vulnerability
    cvelistv5