Microsoft Silverlight Runtime Remote Code Execution Vulnerability. Actively exploited: CISA added this vulnerability to its Known Exploited Vulnerabilities catalog on 25/05/2022. Patch affected systems as an emergency. It is known to be used in ransomware campaigns.
| Package | Affected versions | Patched versions |
|---|---|---|
| silverlight | ≥ 5.0, < 5.1.41212.0 | 5.1.41212.0 |
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."
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