CVE-2020-0790

HIGHCVSS 7.8/10EPSS 0.93%

Last modified

CVE-2020-0790 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. <p>A local elevation of privilege vulnerability exists in how splwow64.exe handles certain calls. An attacker who successfully exploited the vulnerability could elevate privileges on an affected system from low-integrity to medium-integrity.</p> <p>This vulnerability by itself does not allow arbitrary code execution; however, it could allow arbitrary code to be run if the attacker uses it in combination with another vulnerability (such as a remote code execution vulnerability or another elevation of privilege vulnerability) that is capable of leveraging the elevated privileges when code execution is attempted.</p> <p>The security update addresses the vulnerability by ensuring splwow64.exe properly handles these calls..</p>. EPSS estimates a 0.93% chance of exploitation in the next 30 days.

Description

<p>A local elevation of privilege vulnerability exists in how splwow64.exe handles certain calls. An attacker who successfully exploited the vulnerability could elevate privileges on an affected system from low-integrity to medium-integrity.</p> <p>This vulnerability by itself does not allow arbitrary code execution; however, it could allow arbitrary code to be run if the attacker uses it in combination with another vulnerability (such as a remote code execution vulnerability or another elevation of privilege vulnerability) that is capable of leveraging the elevated privileges when code execution is attempted.</p> <p>The security update addresses the vulnerability by ensuring splwow64.exe properly handles these calls..</p>

Metrics

CVSS 3.1
7.8/10

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

EPSS Probability
0.93%

56.1th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersionsUpdate
MicrosoftWindows 10All versions
MicrosoftWindows 101607
MicrosoftWindows 101709
MicrosoftWindows 101803
MicrosoftWindows 101809
MicrosoftWindows 101903
MicrosoftWindows 101909
MicrosoftWindows 102004
MicrosoftWindows 7All versionsSp1
MicrosoftWindows 8.1All versions
MicrosoftWindows Rt 8.1All versions
MicrosoftWindows Server 2008All versionsSp2
MicrosoftWindows Server 2012All versions
MicrosoftWindows Server 2012r2
MicrosoftWindows Server 2016All versions
MicrosoftWindows Server 20161903
MicrosoftWindows Server 20161909
MicrosoftWindows Server 20162004
MicrosoftWindows Server 2019All versions

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2020-0790?
<p>A local elevation of privilege vulnerability exists in how splwow64.exe handles certain calls. An attacker who successfully exploited the vulnerability could elevate privileges on an affected system from low-integrity to medium-integrity.</p> <p>This vulnerability by itself does not allow arbitrary code execution; however, it could allow arbitrary code to be run if the attacker uses it in combination with another vulnerability (such as a remote code execution vulnerability or another elevation of privilege vulnerability) that is capable of leveraging the elevated privileges when code execution is attempted.</p> <p>The security update addresses the vulnerability by ensuring splwow64.exe properly handles these calls..</p>
How severe is CVE-2020-0790?
CVE-2020-0790 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.93% probability of exploitation in the next 30 days.
How do I fix CVE-2020-0790?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-0790?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST