Known exploited vulnerability
CVE-2018-8611
The short answer
CVE-2018-8611 affects Microsoft Windows 7 and is rated high (CVSS 7.8). 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
An elevation of privilege vulnerability exists when the Windows kernel fails to properly handle objects in memory, aka "Windows Kernel Elevation of Privilege Vulnerability." This affects Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2008, Windows Server 2019, Windows Server 2012, Windows 8.1, Windows Server 2016, Windows Server 2008 R2, Windows 10, Windows 10 Servers.
Weakness: CWE-404.
Severity
7.8 high
CVSS:3.1/AV:L/AC:L/PR:L/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
4.2%
Higher than 91% of scored CVEs
How it can be exploited
- Attack vector
- Local
- Attack complexity
- Low
- Privileges required
- Low
- 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
Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2008, Windows Server 2019, Windows Server 2012, Windows 8.1, Windows Server 2016, Windows Server 2008 R2, Windows 10, Windows 10 Servers. NVD's record lists the exact affected versions.
References
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8611 PatchVendor Advisory
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8611 PatchVendor Advisory
- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-8611 US Government Resource
Questions
Is CVE-2018-8611 being exploited?
Yes. CISA added CVE-2018-8611 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-2018-8611?
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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