WIN-911 2021 R1 and R2 are vulnerable to a permissions misconfiguration that may allow an attacker to locally write files to the Program Announcer directory and elevate permissions whenever the program is executed.
https://www.cisa.gov/uscert/ics/advisories/icsa-22-053-03
https://supportdesk.win911.com/support/solutions/articles/24000074683-win-911-2021-r1-r2-file-permission-vulnerability
Source: Mitre, NVD
Published: 2022-02-24
Updated: 2026-06-17
Base Score: 4.4
Vector: CVSS2#AV:L/AC:M/Au:N/C:P/I:P/A:P
Severity: Medium
Base Score: 7.8
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Severity: High
EPSS: 0.00055