CVE-2020-16855

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

4.42% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 91.0% of scored records. A rank, not a probability.

NVD base score

5.5 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2020-09-11 17:08Z6 YR AGO

Last updated

2024-08-04 13:45Z2 YR AGO

Reserved

2020-08-04

Assigning CNA

microsoft

Record state

PUBLISHED

Severity

Medium (CVSS 5.5)

CNA CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:P/RL:O/RC:C

Weaknesses

• CWE-125Out-of-bounds ReadBase
• CWE-908Use of Uninitialized ResourceBase

Data version

5.1

Document digest

4549046912bda4ea161f9a3c55c72b1d075f38eee46cc3c7a1d50d9d502e5c65

• portal.msrc.microsoft.comhttps://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16855x_refsource_MISC