Known exploited vulnerability

CVE-2023-36884

highCVSS 3.1 7.5In CISA KEVRansomwareEPSS 99%Published · Microsoft

The short answer

CVE-2023-36884 affects Microsoft Windows 10 Version 1507 and is rated high (CVSS 7.5). CISA added it to the Known Exploited Vulnerabilities catalog on 2023-07-17: attackers are using it, so patch it first. The vendor has linked a patch.

What it is

Windows Search Remote Code Execution Vulnerability

Weakness: CWE-362.

Severity

7.5 high

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploited (CISA KEV)

Yes, since Jul 17, 2023

Federal due date Aug 29, 2023

EPSS, next 30 days

99%

Higher than 100% of scored CVEs

How it can be exploited

Attack vector
Network
Attack complexity
High
Privileges required
None
User interaction
Required
Scope
Unchanged
Confidentiality impact
High
Integrity impact
High
Availability impact
High

What CISA says to do

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Affected products

Windows 10 Version 1507, Windows 10 Version 1607, Windows 10 Version 1809, Windows 10 Version 21H2, Windows 10 Version 22H2, Windows 11 version 21H2, Windows 11 version 22H2, Windows Server 2008 Service Pack 2, Windows Server 2008 R2 Service Pack 1, Windows Server 2008 R2 Service Pack 1 (Server Core installation), Windows Server 2008 Service Pack 2, Windows Server 2008 Service Pack 2 (Server Core installation). NVD's record lists the exact affected versions.

References

Questions

Is CVE-2023-36884 being exploited?

Yes. CISA added CVE-2023-36884 to its Known Exploited Vulnerabilities catalog on 2023-07-17, with a federal remediation due date of 2023-08-29. CISA lists it as used in ransomware campaigns.

How do I fix CVE-2023-36884?

CISA's required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

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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