CVE-2017-8557

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

1.54% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 73.1% 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:3.0/AV:L/AC:L/PR:L/UI:N/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

2017-07-11 21:00Z9 YR AGO

Last updated

2024-09-17 01:51Z1 YR AGO

Reserved

2017-05-03

Assigning CNA

microsoft

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-611Improper Restriction of XML External Entity ReferenceBase

Data version

5.1

Document digest

a7013338447e774e48fbf77e3327351a65c3ad00d3051c2cdb275ddd659790cb

• www.securitytracker.com1038855http://www.securitytracker.com/id/1038855vdb-entryx_refsource_SECTRACK
• portal.msrc.microsoft.comhttps://portal.msrc.microsoft.com/en-us/security-guidance/advisory/CVE-2017-8557x_refsource_CONFIRM
• www.securityfocus.com99387http://www.securityfocus.com/bid/99387vdb-entryx_refsource_BID
• www.securityfocus.com99398http://www.securityfocus.com/bid/99398vdb-entryx_refsource_BID