CVE-2019-0880
Exploited in the wild. In CISA KEV since 2022‑05‑23. A vendor fix is available.
What to do
The vendor has published a fix. Version details are below where the sources state them.
- Microsoft Windows ServerAffected: 2012Upgrade to: not statedAffected: 2012 (Core installation)Upgrade to: not statedAffected: 2012 R2Upgrade to: not statedAffected: 2012 R2 (Core installation)Upgrade to: not stated + 6 more branchesStated by: CVE record
- Microsoft WindowsAffected: 8.1 for 32-bit systemsUpgrade to: not statedAffected: 8.1 for x64-based systemsUpgrade to: not statedAffected: RT 8.1Upgrade to: not statedAffected: 10 for 32-bit SystemsUpgrade to: not stated + 14 more branchesStated by: CVE record
- Microsoft Windows 10 Version 1903 for 32-bit SystemsAffected: unspecifiedUpgrade to: not statedStated by: CVE record
Versions as the sources state them. Full version matrix after sign-in
Coverage timeline
0 publishersAdded to CISA KEV catalog
Sourced from public security reporting — each date is when it was published, not when it happened.
What it is
From the CVE record
A local elevation of privilege vulnerability exists in how splwow64.exe handles certain calls, aka 'Microsoft splwow64 Elevation of Privilege Vulnerability'.
In plain language
No plain-language summary for this CVE yet.
Exploitation
Where each signal puts this CVE on the scale from published to confirmed exploited.
- CISA KEV
Listed as exploited in the wild since 2022-05-23.
US federal agencies must remediate by 2022-06-13.
Apply updates per vendor instructions.
- Public exploits
No public exploit or proof of concept found in the sources we track.
- EPSS
2.3% chance of exploitation activity in the next 30 days, which ranks it in the 83rd percentile of scored CVEs.
Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.
- Attention now
Rising.
Lifecycle
6 events over 2537 days, from the signal feeds we watch.
- OpenVAS check added
- Patch availablerecord updated
- Added to CISA KEV
- Publishedweakness classified
Affected products
- Windows 8.1Operating Systems / windows
- Windows Server 2012 (Server Core installation)Operating Systems / windows
- Windows Server 2012 R2 (Server Core installation)Operating Systems / windows
- Windows RT 8.1Operating Systems / windows
- Windows 10 1607Operating Systems / windows
- Windows Server 2016 (Server Core installation)Operating Systems / windows
- Windows Server 1803 (Server Core Installation)Operating Systems / windows
- Windows Server 2019 (Server Core installation)Operating Systems / windows
And 30 more affected products. See all after sign-in
Technical detail
CVSS 3.1 vector
Open in the CVSS calculatorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Scored 7.8 by NVD.
How it is reached
- Attack Vector LocalRequires local access to the vulnerable system (e.g. local login, malicious file)
- Attack Complexity LowNo special conditions — the attack can be reliably reproduced
- Privileges Required LowRequires basic user-level privileges
- User Interaction NoneNo user interaction needed — fully automated exploitation
Scope
- Scope UnchangedImpact is limited to the vulnerable component itself
Impact if exploited
- Confidentiality HighTotal information disclosure — all data in the component is compromised
- Integrity HighTotal loss of integrity — attacker can modify any data in the component
- Availability HighTotal denial of service — the component is completely unavailable
Weaknesses
Sources
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We'll flag the next CVE, public exploit or patch for Windows 8.1, not every advisory. This one: actively exploited.
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