Which products and versions are affected by CVE-2019-0880?

Affected: Windows 10 1507 (Microsoft); Windows 10 1607 (Microsoft); Windows 10 1703 (Microsoft), among others. The full list is in the CVE brief.

Is CVE-2019-0880 being exploited in the wild?

It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Jul 9, 2019.

Is CVE-2019-0880 in the CISA KEV catalog?

Yes. It was added on May 23, 2022 with a federal remediation due date of Jun 13, 2022.

Is there a public exploit for CVE-2019-0880?

Public exploit code is available.

Is there a fix for CVE-2019-0880?

No fixed version is listed yet; check the vendor advisory for mitigations.

How urgently should CVE-2019-0880 be patched?

Brandefense priority: patch immediately, because it is listed as exploited in the wild.

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Vulnerability Intelligence

CVE-2019-0880

HighExploitedPublic exploit

A local elevation of privilege vulnerability exists in how splwow64.exe handles certain calls, aka 'Microsoft splwow64 Elevation of Privilege Vulnerability'.

Published Jul 15, 2019 · Updated Oct 29, 2025

Key Facts

Patch immediately

CVE-2019-0880 is a high-severity vulnerability (CVSS 7.8 v3.1) affecting Windows 10 1507 (Microsoft), Windows 10 1607 (Microsoft), Windows 10 1703 (Microsoft) and 16 more products.
It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Jul 9, 2019. Public exploit code is available.
EPSS estimates a 2.3% probability of exploitation in the next 30 days.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.

CVSS v3.1

7.8

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

EPSS (30-day exploit likelihood)

2.3%

Higher than 83.0% of all scored CVEs

Exploited in the wild

Yes

4 catalog listings

Public exploit code

Available

Proof-of-concept or weaponized module

Get the full CVE-2019-0880 brief as a PDF

Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.

Description

A local elevation of privilege vulnerability exists in how splwow64.exe handles certain calls, aka 'Microsoft splwow64 Elevation of Privilege Vulnerability'.

Known-Exploited Catalog Listings

Catalog	Added	Remediation due	Ransomware use
CISA KEV	May 23, 2022	Jun 13, 2022	Not reported
Industry KEV feed	Jul 9, 2019	Jun 13, 2022	Not reported
CIRCL KEV	May 23, 2022	Jun 13, 2022	Not reported
ENISA EUVD	May 23, 2022	n/a	Not reported

Required action: Apply updates per vendor instructions.

Affected Products

31 affected entries in total

Product	Affected versions	Fixed in
Windows 10 1507Microsoft	See advisory	n/a
Windows 10 1607Microsoft	See advisory	n/a
Windows 10 1703Microsoft	See advisory	n/a
Windows 10 1709Microsoft	See advisory	n/a
Windows 10 1803Microsoft	See advisory	n/a

14 more affected products in the full CVE brief

Timeline

Added to Industry KEV feed
Jul 9, 2019
Publicly disclosed
Jul 15, 2019
Added to CISA KEV
May 23, 2022
Added to CIRCL KEV
May 23, 2022
Added to ENISA EUVD
May 23, 2022
Last updated
Oct 29, 2025

References

FAQ

Common Questions.

A local elevation of privilege vulnerability exists in how splwow64.exe handles certain calls, aka 'Microsoft splwow64 Elevation of Privilege Vulnerability'.
Affected: Windows 10 1507 (Microsoft); Windows 10 1607 (Microsoft); Windows 10 1703 (Microsoft), among others. The full list is in the CVE brief.
It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Jul 9, 2019.
Yes. It was added on May 23, 2022 with a federal remediation due date of Jun 13, 2022.
Public exploit code is available.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.

Is CVE-2019-0880 Running On Your Attack Surface?

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