Known exploited vulnerability
CVE-2017-8543
The short answer
CVE-2017-8543 affects Microsoft Corporation Microsoft Windows and is rated critical (CVSS 9.8). CISA added it to the Known Exploited Vulnerabilities catalog on 2022-05-24: attackers are using it, so patch it first. The vendor has linked a patch.
What it is
Microsoft Windows XP SP3, Windows XP x64 XP2, Windows Server 2003 SP2, Windows Vista, Windows 7 SP1, Windows Server 2008 SP2 and R2 SP1, Windows 8, Windows 8.1 and Windows RT 8.1, Windows Server 2012 and R2, Windows 10 Gold, 1511, 1607, and 1703, and Windows Server 2016 allow an attacker to take control of the affected system when Windows Search fails to handle objects in memory, aka "Windows Search Remote Code Execution Vulnerability".
Weakness: CWE-281.
Severity
9.8 critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploited (CISA KEV)
Yes, since May 24, 2022
Federal due date Jun 14, 2022
EPSS, next 30 days
74%
Higher than 99% of scored CVEs
How it can be exploited
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- High
- Integrity impact
- High
- Availability impact
- High
What CISA says to do
Apply updates per vendor instructions.
Affected products
Microsoft Windows. NVD's record lists the exact affected versions.
References
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8543 MitigationPatchVendor Advisory
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8543 MitigationPatchVendor Advisory
- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-8543 US Government Resource
Questions
Is CVE-2017-8543 being exploited?
Yes. CISA added CVE-2017-8543 to its Known Exploited Vulnerabilities catalog on 2022-05-24, with a federal remediation due date of 2022-06-14.
How do I fix CVE-2017-8543?
CISA's required action: Apply updates per vendor instructions.
From NVD, CISA KEV, FIRST EPSS and OSV.dev, checked . Status on NVD: Analyzed. The description is NVD's text, quoted as published.
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