The remote Windows host is missing security update 5000802.
It is, therefore, affected by multiple vulnerabilities :

  - An elevation of privilege vulnerability. An attacker can     exploit this to gain elevated privileges.
    (CVE-2021-1640, CVE-2021-1729, CVE-2021-24090,     CVE-2021-24095, CVE-2021-26860, CVE-2021-26862,     CVE-2021-26863, CVE-2021-26864, CVE-2021-26865,     CVE-2021-26866, CVE-2021-26868, CVE-2021-26870,     CVE-2021-26871, CVE-2021-26872, CVE-2021-26873,     CVE-2021-26874, CVE-2021-26875, CVE-2021-26878,     CVE-2021-26880, CVE-2021-26882, CVE-2021-26885,     CVE-2021-26889, CVE-2021-26891, CVE-2021-26898,     CVE-2021-26899, CVE-2021-26900, CVE-2021-26901,     CVE-2021-27070, CVE-2021-27077)

  - An information disclosure vulnerability. An attacker can     exploit this to disclose potentially sensitive     information. (CVE-2021-24107, CVE-2021-26869,     CVE-2021-26884)

  - A remote code execution vulnerability. An attacker can     exploit this to bypass authentication and execute     unauthorized arbitrary commands. (CVE-2021-26861,     CVE-2021-26867, CVE-2021-26876, CVE-2021-26881,     CVE-2021-26890, CVE-2021-27085)

  - A denial of service (DoS) vulnerability. An attacker can     exploit this issue to cause the affected component to     deny system or application services. (CVE-2021-26879,     CVE-2021-26886)

  - An memory corruption vulnerability exists. An attacker     can exploit this to corrupt the memory and cause     unexpected behaviors within the system/application.
    (CVE-2021-26411)

  - A security feature bypass vulnerability exists. An     attacker can exploit this and bypass the security     feature and perform unauthorized actions compromising     the integrity of the system/application.
    (CVE-2021-26892)

Detections

Analytics

KB5000802: Windows Security Update (March 2021)

critical Nessus Plugin ID 147226

Version 1.19

Version 1.18

Version 1.18

Version 1.17

Version 1.16

Version 1.19 Jan 16, 2024, 3:43 PM CVSS metrics ("CVSSv3 score" set to 9.9. "CVSSv3 vector" set to "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H") CVSSv3 score source (changed from "CVE-2021-26881" to "CVE-2021-26867") Plugin Feed: 202401161543
Version 1.18 Feb 3, 2023, 4:05 PM Exploit attributes ("Exploit framework core" set to "True") Plugin Feed: 202302031605
Version 1.18 Jan 16, 2024, 1:47 PM CVSS metrics ("CVSSv3 score" set to 9.9) CVSS metrics ("CVSSv3 vector" set to "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H") CVSSv3 score source (changed from "CVE-2021-26881" to "CVE-2021-26867") Plugin Feed: 202401161347
Version 1.17 Dec 6, 2022, 6:53 AM Reference Plugin Feed: 202212060653
Version 1.16 Nov 21, 2022, 10:22 PM CISA reference IAVM reference Plugin Feed: 202211212222