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CVE-2026-73019

Windows URL Moniker Security Feature Bypass Vulnerability

No known exploitation. EPSS puts it in the 56th percentile. Fixed versions are out.

CVSS 3.14.3MediumEPSS percentile56th0.8% chance in 30 daysCISA KEVNot listedNo confirmed exploitation
No public exploit knownFix5 products9 fixed builds listed below
Check it yourself

OpenVAS · 16 checks

e.g. OID 1.3.6.1.4.1.25623.1.3.0.10816.0.5123099.494846484649525157514657534950

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Published Updated Sources: CVE.org, NVD

NVD CVE.org

What to do

Find your product and version, then upgrade to the build on the right.

  • Microsoft Windows 10 Version 1607Affected: ≥ 10.0.14393.0, < 10.0.14393.9512Upgrade to: 10.0.14393.9512Affected: ≥ 10.0.17763.0, < 10.0.17763.9245Upgrade to: 10.0.17763.9245Affected: ≥ 10.0.19044.0, < 10.0.19044.7725Upgrade to: 10.0.19044.7725Affected: ≥ 10.0.19045.0, < 10.0.19045.7725Upgrade to: 10.0.19045.7725Stated by: CVE record
  • Microsoft Windows 11 version 23H2Affected: ≥ 10.0.22631.0, < 10.0.22631.7582Upgrade to: 10.0.22631.7582Affected: ≥ 10.0.26100.0, < 10.0.26100.9445Upgrade to: 10.0.26100.9445Affected: ≥ 10.0.26200.0, < 10.0.26200.9445Upgrade to: 10.0.26200.9445Affected: ≥ 10.0.28000.0, < 10.0.28000.2954Upgrade to: 10.0.28000.2954Stated by: CVE record
  • Microsoft Windows Server 2016Affected: ≥ 10.0.14393.0, < 10.0.14393.9512Upgrade to: 10.0.14393.9512Stated by: CVE record
  • Microsoft Windows Server 2019Affected: ≥ 10.0.17763.0, < 10.0.17763.9245Upgrade to: 10.0.17763.9245Stated by: CVE record
  • Microsoft Windows Server 2022Affected: ≥ 10.0.20348.0, < 10.0.20348.5622Upgrade to: 10.0.20348.5622Stated by: CVE record

Versions as the sources state them. 3 more products have version data. 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.

What it is

From the CVE record

Improper resolution of path equivalence in Windows URL Moniker allows an unauthorized attacker to bypass a security feature over a network.

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.

EPSS56th
CISA KEV

Not in the catalog. CISA has not confirmed exploitation.

Public exploits

No public exploit or proof of concept found in the sources we track.

EPSS

0.8% chance of exploitation activity in the next 30 days, which ranks it in the 56th percentile of scored CVEs.

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

Lifecycle

9 events over 16 days, from the signal feeds we watch.

  1. Patch availablerecord updated
  2. Patch availablerecord updated
  3. OpenVAS check addedrecord updated
  4. Publishedweakness classified, record updated

Affected products

And 25 more affected products. See all after sign-in

Technical detail

CVSS 3.1 vector

Open in the CVSS calculator

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

Scored 4.3 by NVD.

How it is reached

  • Attack Vector NetworkExploitable remotely over the network without any special conditions
  • Attack Complexity LowNo special conditions — the attack can be reliably reproduced
  • Privileges Required NoneNo authentication required — anyone can exploit this
  • User Interaction RequiredA user must click a link, open a file, or perform some action

Scope

  • Scope UnchangedImpact is limited to the vulnerable component itself

Impact if exploited

  • Confidentiality LowSome restricted information is disclosed, but limited in scope
  • Integrity NoneNo integrity impact
  • Availability NoneNo availability impact

Weaknesses

Sources

References in the record

In the news

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We'll flag the next CVE, public exploit or patch for Windows 10 Version 1607, not every advisory.