CVE-2016-0034

Act now ● On CISA KEV — actively exploited used in ransomware

Actively exploited — on the CISA KEV list.

CVSS base

8.8 HIGH

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

EPSS — probability of exploitation (30 days)

69.4%

99.3th percentile

CISA KEV

Listed

Added 2022-05-25 · patch by 2022-06-15

Weakness / dates

—

Published 2016-01-13 · modified 2026-08-14

CVSS breakdown

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

Attack Vector	N	Network
Attack Complexity	L	Low
Privileges Required	N	None
User Interaction	R	Required
Scope	U	Unchanged
Confidentiality	H	High
Integrity	H	High
Availability	H	High

Timeline

2016-01-13 — Published (NVD)
2022-05-25 — Added to CISA KEV (actively exploited)
2022-06-15 — CISA patch-by deadline
2026-08-14 — Last modified (NVD)

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."

Affected

microsoft

References

Official: NVD · CVE.org