CVE-2017-11871

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

7.97% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 94.4% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

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

2017-11-15 03:00Z8 YR AGO

Last updated

2024-09-16 19:35Z2 YR AGO

Reserved

2017-07-31

Assigning CNA

microsoft

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferClass

Data version

5.1

Document digest

b7c04196275cf91c7a9698afa2f14f0a861552800fe28fa02a87af778901773e

• www.securitytracker.com1039780http://www.securitytracker.com/id/1039780vdb-entryx_refsource_SECTRACK
• www.securityfocus.com101730http://www.securityfocus.com/bid/101730vdb-entryx_refsource_BID
• portal.msrc.microsoft.comhttps://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11871x_refsource_CONFIRM