An elevation of privilege vulnerability exists when the Windows Malicious Software Removal Tool (MSRT) improperly handles junctions.To expl…

published 2020-02-11 6y ago modified 2026-06-17 4mo ago also EUVD-2020-2222

cvss: 7.8; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 0.8%; EPSS 0.8% chance of exploitation in 30 days, percentile 57%
public exploits: 0; none known

An elevation of privilege vulnerability exists when the Windows Malicious Software Removal Tool (MSRT) improperly handles junctions.To exploit this vulnerability, an attacker would first have to gain execution on the victim system, aka 'Windows Malicious Software Removal Tool Elevation of Privilege Vulnerability'.

Patch / fix

fixed in 1 links 1

microsoft windows_malicious_software_removal_tool 5.80

portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0733 advisory

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Exploit prediction

0.82% chance of exploitation in the next 30 days, higher than 57% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
NVD	3.1	7.8	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	4.6	AV:L/AC:L/Au:N/C:P/I:P/A:P

Affected products

Microsoft Windows Malicious Software Removal Tool 32-bit
Microsoft Windows Malicious Software Removal Tool 64-bit

References

portal.msrc.microsoft.com /en-US/security-guidance/advisory/CVE-2020-0733
patch, vendor-advisory

Sources

CVE List CVE-2020-0733
NVD CVE-2020-0733

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