Known exploited vulnerability

CVE-2017-0263

highCVSS 3.1 7.8In CISA KEVEPSS 10%Published · Microsoft Corporation

The short answer

CVE-2017-0263 affects Microsoft Corporation Microsoft Windows and is rated high (CVSS 7.8). CISA added it to the Known Exploited Vulnerabilities catalog on 2022-02-10: attackers are using it, so patch it first. The vendor has linked a patch.

What it is

The kernel-mode drivers in Microsoft Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, Windows 10 Gold, 1511, 1607, 1703, and Windows Server 2016 allow local users to gain privileges via a crafted application, aka "Win32k Elevation of Privilege Vulnerability."

Weakness: CWE-416.

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 Feb 10, 2022

Federal due date Aug 10, 2022

EPSS, next 30 days

10%

Higher than 96% 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

Microsoft Windows. NVD's record lists the exact affected versions.

References

Questions

Is CVE-2017-0263 being exploited?

Yes. CISA added CVE-2017-0263 to its Known Exploited Vulnerabilities catalog on 2022-02-10, with a federal remediation due date of 2022-08-10.

How do I fix CVE-2017-0263?

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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