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CVE-2023-32049

Exploited in the wild. In CISA KEV since 2023‑07‑11. Fixed versions are out.

CVSS 3.18.8HighEPSS percentile91st4.2% chance in 30 daysCISA KEVListedsince 2023-07-11, due 2023-08-01
No public exploit knownFix5 products7 fixed builds listed below

Published Updated Sources: CVE.org, NVD, BDU

NVD CVE.org

What to do

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

  • Microsoft Windows 10 Version 1809Affected: ≥ 10.0.17763.0, < 10.0.17763.4645Upgrade to: 10.0.17763.4645Affected: ≥ 10.0.19043.0, < 10.0.19044.3208Upgrade to: 10.0.19044.3208Affected: ≥ 10.0.19045.0, < 10.0.19045.3208Upgrade to: 10.0.19045.3208Affected: ≥ 10.0.14393.0, < 10.0.14393.6085Upgrade to: 10.0.14393.6085Stated by: CVE record
  • Microsoft Windows Server 2019Affected: ≥ 10.0.17763.0, < 10.0.17763.4645Upgrade to: 10.0.17763.4645Stated by: CVE record
  • Microsoft Windows Server 2022Affected: ≥ 10.0.20348.0, < 10.0.20348.1850Upgrade to: 10.0.20348.1850Stated by: CVE record
  • Microsoft Windows 11 version 21H2Affected: ≥ 10.0.0, < 10.0.22000.2176Upgrade to: 10.0.22000.2176Affected: ≥ 10.0.22621.0, < 10.0.22621.1992Upgrade to: 10.0.22621.1992Stated by: CVE record
  • Microsoft Windows Server 2016Affected: ≥ 10.0.14393.0, < 10.0.14393.6085Upgrade to: 10.0.14393.6085Stated 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

Windows SmartScreen Security Feature Bypass 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.

EPSS91st
CISA KEV
CISA KEV

Listed as exploited in the wild since 2023-07-11.

US federal agencies must remediate by 2023-08-01.

Apply updates per vendor instructions or discontinue use of the product if updates are unavailable.
Public exploits

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

EPSS

4.2% chance of exploitation activity in the next 30 days, which ranks it in the 91st percentile of scored CVEs.

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

Lifecycle

6 events over 1080 days, from the signal feeds we watch.

  1. OpenVAS check added
  2. Patch availablerecord updated
  3. Added to CISA KEVpublished, weakness classified

Affected products

And 27 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:H/I:H/A:H

Scored 8.8 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 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

References in the record

And 2 more references. 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 Version 1809, not every advisory. This one: actively exploited.