CVE-2024-43573
Exploited in the wild. In CISA KEV since 2024‑10‑08. Fixed versions are out.
What to do
Find your product and version, then upgrade to the build on the right.
- Microsoft Windows 10 Version 1507Affected: ≥ 10.0.10240.0, < 10.0.10240.20796Upgrade to: 10.0.10240.20796Affected: ≥ 10.0.14393.0, < 10.0.14393.7428Upgrade to: 10.0.14393.7428Affected: ≥ 10.0.17763.0, < 10.0.17763.6414Upgrade to: 10.0.17763.6414Affected: ≥ 10.0.19043.0, < 10.0.19044.5011Upgrade to: 10.0.19044.5011 + 1 more branchStated by: CVE record
- Microsoft Windows 11 version 21H2Affected: ≥ 10.0.22000.0, < 10.0.22000.3260Upgrade to: 10.0.22000.3260Affected: ≥ 10.0.22621.0, < 10.0.22621.4317Upgrade to: 10.0.22621.4317Affected: ≥ 10.0.22631.0, < 10.0.22631.4317Upgrade to: 10.0.22631.4317Affected: ≥ 10.0.26100.0, < 10.0.26100.2033Upgrade to: 10.0.26100.2033Stated by: CVE record
- Microsoft Windows Server 2012 R2Affected: ≥ 6.3.9600.0, < 6.3.9600.22221Upgrade to: 6.3.9600.22221Stated by: CVE record
- Microsoft Windows Server 2016Affected: ≥ 10.0.14393.0, < 10.0.14393.7428Upgrade to: 10.0.14393.7428Stated by: CVE record
- Microsoft Windows Server 2019Affected: ≥ 10.0.17763.0, < 10.0.17763.6414Upgrade to: 10.0.17763.6414Stated by: CVE record
Versions as the sources state them. 1 more product has version data. 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. 1 further article named this CVE in wider roundups without reporting it as a distinct event.
What it is
From the CVE record
Windows MSHTML Platform Spoofing 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 2024-10-08.
US federal agencies must remediate by 2024-10-29.
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
- Public exploits
No public exploit or proof of concept found in the sources we track.
- EPSS
46% chance of exploitation activity in the next 30 days, which ranks it in the 99th percentile of scored CVEs.
Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.
Lifecycle
7 events over 625 days, from the signal feeds we watch.
- OpenVAS check added
- Patch availablerecord updated
- Added to CISA KEVpublished, weakness classified, att&ck mapped
Affected products
- Windows Server 2012 R2 (Server Core installation)Operating Systems / windows
- Windows 10 Version 1507Operating Systems / windows
- Windows Server 2016 (Server Core installation)Operating Systems / windows
- Windows Server 2019 (Server Core installation)Operating Systems / windows
- Windows Server 2022 (Server Core installation)Operating Systems / windows
- Windows 11 version 21H2Operating Systems / windows
- windows server 2012Operating Systems / windows
And 43 more affected products. See all after sign-in
Technical detail
CVSS 3.1 vector
Open in the CVSS calculatorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Scored 6.5 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 NoneNo integrity impact
- Availability NoneNo availability impact
Weaknesses
ATT&CK techniques
Mapped from the weaknesses above (CWE to ATT&CK), not observed in attacks.
Sources
Watch the software you run.
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We'll flag the next CVE, public exploit or patch for Microsoft Corp, not every advisory. This one: actively exploited.
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