CVE-2020-0638
Act now ● On CISA KEV — actively exploited used in ransomware
Actively exploited — on the CISA KEV list.
CVSS base
7.8
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS — probability of exploitation (30 days)
3.0%
86.9th percentile
CISA KEV
Listed
Added 2022-05-23 · patch by 2022-06-13
Weakness / dates
CWE-59
Published 2020-01-14 · modified 2026-08-12
CVSS breakdown
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
| Attack Vector | L | Local |
| Attack Complexity | L | Low |
| Privileges Required | L | Low |
| User Interaction | N | None |
| Scope | U | Unchanged |
| Confidentiality | H | High |
| Integrity | H | High |
| Availability | H | High |
Timeline
- 2020-01-14 — Published (NVD)
- 2022-05-23 — Added to CISA KEV (actively exploited)
- 2022-06-13 — CISA patch-by deadline
- 2026-08-12 — Last modified (NVD)
Description
An elevation of privilege vulnerability exists in the way the Update Notification Manager handles files.To exploit this vulnerability, an attacker would first have to gain execution on the victim system, aka 'Update Notification Manager Elevation of Privilege Vulnerability'.