How severe is CVE-2016-0034?

CVE-2016-0034 has a CVSS 3.1 base score of 8.8 (HIGH). EPSS estimates a 69.4% probability of exploitation in the next 30 days. It is listed in the CISA Known Exploited Vulnerabilities catalog.

CVE-2016-0034: Microsoft Silverlight Runtime Remote Code Execution

CISA Known Exploited Vulnerabilities

Microsoft Silverlight Runtime Remote Code Execution Vulnerability is confirmed as actively exploited and is listed in the CISA KEV catalog.

Added to KEV

2022-05-25

Remediation due

2022-06-15

Ransomware

Known use

Required action
The impacted products are end-of-life and should be disconnected if still in use.

CISA notes
https://nvd.nist.gov/vuln/detail/CVE-2016-0034

Description

Microsoft Silverlight 5 before 5.1.41212.0 mishandles negative offsets during decoding, which allows remote attackers to execute arbitrary code or cause a denial of service (object-header corruption) via a crafted web site, aka "Silverlight Runtime Remote Code Execution Vulnerability."

Severity

CVSS 3.1 · CISA8.8 HIGH

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

SSVC · CISA-ADP

Exploitationactive

Automatableno

Technical impacttotal

Affected Products

Vendor	Product	Affected versions
-	-	n/a

References

2 Links

Vendor advisories

MS16-006

Vulnerability databases

1034655

Record Details

Published

2016-01-13

Last updated

2026-08-14

Assigner (CNA)

microsoft

Credited to

CVE record data © The MITRE Corporation, used under the CVE Terms of Use. Exploited-in-the-wild data from the CISA Known Exploited Vulnerabilities catalog (CC0). Exploit prediction scores by FIRST EPSS (first.org/epss). This site is not endorsed or certified by MITRE, NVD, CISA, or FIRST.