CVE Tools
Track your stack

CVE-2019-1253

Exploited in the wild. In CISA KEV since 2022‑03‑15. A vendor fix is available.

CVSS 3.17.8HighEPSS percentile96th12% chance in 30 daysCISA KEVListedsince 2022-03-15, due 2022-04-05
Public exploit: 1 sourceFixVendor fixNo build named by the sources

Published Updated Sources: CVE.org, NVD, BDU

NVD CVE.org

What to do

The vendor has published a fix. Version details are below where the sources state them.

  • Microsoft WindowsAffected: 10 Version 1703 for 32-bit SystemsUpgrade to: not statedAffected: 10 Version 1703 for x64-based SystemsUpgrade to: not statedAffected: 10 Version 1709 for 32-bit SystemsUpgrade to: not statedAffected: 10 Version 1709 for x64-based SystemsUpgrade to: not stated + 7 more branchesStated by: CVE record
  • Microsoft Windows ServerAffected: version 1803 (Core Installation)Upgrade to: not statedAffected: 2019Upgrade to: not statedAffected: 2019 (Core installation)Upgrade to: not statedAffected: unspecifiedUpgrade to: not statedStated 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

Check it yourselfA free OpenVAS check exists for this CVE. Run it against your hosts.Is your organisation exposed?Request an assessment to establish which checks fit your systems.

Coverage timeline

0 publishers

  1. Added to CISA KEV catalog

    ·CISA KEV

Sourced from public security reporting — each date is when it was published, not when it happened.

What it is

From the CVE record

An elevation of privilege vulnerability exists when the Windows AppX Deployment Server improperly handles junctions.To exploit this vulnerability, an attacker would first have to gain execution on the victim system, aka 'Windows Elevation of Privilege Vulnerability'. This CVE ID is unique from CVE-2019-1215, CVE-2019-1278, CVE-2019-1303.

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.

EPSS96th
Public exploit
CISA KEV
CISA KEV

Listed as exploited in the wild since 2022-03-15.

US federal agencies must remediate by 2022-04-05.

Known use in ransomware campaigns.

Apply updates per vendor instructions.
Public exploits

1 source with a proof of concept or module.

Exploit links, PoCs and Metasploit modules after sign-in
EPSS

12% chance of exploitation activity in the next 30 days, which ranks it in the 96th percentile of scored CVEs.

Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.

Lifecycle

The patch came 128 days before any public exploit.

  1. OpenVAS check added
  2. Public exploit / PoCsource: packetstorm
  3. Patch availablerecord updated
  4. Added to CISA KEVransomware campaign
  5. Publishedweakness classified, att&ck mapped

Affected products

And 19 more affected products. See all after sign-in

Technical detail

CVSS 3.1 vector

Open in the CVSS calculator

CVSS: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

ATT&CK techniques

Mapped from the weaknesses above (CWE to ATT&CK), not observed in attacks.

Sources

References in the record

And 1 more reference. See all after sign-in

Watch the software you run.

My Stack ranks new CVEs for your products by real-world exploitation, so the next exploited one reaches you without reading every advisory.

We'll flag the next CVE, public exploit or patch for Windows 10 1703, not every advisory. This one: actively exploited.