Microsoft Windows Shell (.lnk) Remote Code Execution Vulnerability

[ Why it matters ]Priority signals

• Exploited in the wild: on CISA's Known Exploited Vulnerabilities list since 2022-02-10
• EPSS: 90% chance of exploitation in the next 30 days (higher than 100% of CVEs)

[ Description ]Official description

Windows Shell in Microsoft Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, Windows 10 Gold, 1511, 1607, 1703, and Windows Server 2016 allows local users or remote attackers to execute arbitrary code via a crafted .LNK file, which is not properly handled during icon display in Windows Explorer or any other application that parses the icon of the shortcut. aka "LNK Remote Code Execution Vulnerability."

CISA: Windows Shell in multiple versions of Microsoft Windows allows local users or remote attackers to execute arbitrary code via a crafted .LNK file

[ Fixes ]Fixes and patches

CISA required action (US federal deadline 10 Aug 2022): Apply updates per vendor instructions.

• Patch on portal.msrc.microsoft.comVendor patch or bulletin · NVD · Reference tagged 'Patch' by NVD

[ References ]References

• www.securityfocus.com/bid/98818Third Party AdvisoryVDB Entry
• www.securitytracker.com/id/1038671Third Party AdvisoryVDB Entry
• portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8464PatchVendor Advisory
• www.exploit-db.com/exploits/42382ExploitThird Party AdvisoryVDB Entry
• www.exploit-db.com/exploits/42429ExploitThird Party AdvisoryVDB Entry
• www.cisa.gov/known-exploited-vulnerabilities-catalogUS Government Resource