Patch tracker / CVE reference / CVE-2024-21907

CVE-2024-21907

CVE-2024-21907 is a high severity Microsoft vulnerability with a CVSS score of 8.8. Its EPSS score puts the probability of exploitation in the next 30 days at 33%. Microsoft has shipped the fix: deploy one of the 6 updates below from the Microsoft Update Catalog, and see where this CVE sits against the rest on the patch tracker.

High

High severity Microsoft vulnerability, CVSS 8.8. Fixed by 6 Microsoft security updates.

Senserva AI read on CVE-2024-21907Official patches for CVE-2024-21907Admin questions

Risk summary

CVSS base
8.8
EPSS exploit probability
33%
Severity
High
Patch this cycle
Not confirmed exploited yet, but the 30-day exploit probability is high (EPSS 33%).
Fixed by KB5065222 and 5 more (by build, listed below). Download from the Microsoft Update Catalog, or deploy via Windows Update, Intune, or WSUS.
Do this now: Patch in this maintenance window; do not let it slip to the next one.

Updated July 24, 2026. Data refreshed on every build from MSRC, CISA KEV, and FIRST EPSS.

Senserva AI Opinion for CVE-2024-21907

CVE-2024-21907 is a High severity Microsoft flaw rated CVSS 8.8, meaning it combines meaningful impact with a relatively low attack barrier. The 33 percent EPSS score is notably elevated for something not yet in CISA KEV, suggesting researchers see a realistic path to exploitation even though no confirmed attacks or ransomware use exist today. That gap between predicted risk and confirmed abuse is the window you want to patch inside.

Do this: Identify all Microsoft assets affected by CVE-2024-21907 and schedule patching this week rather than waiting for KEV confirmation.

AI-generated from public data, 2026-07-21. Verify against the vendor advisory before acting.

Senserva AI Opinion and rich prompt for CVE-2024-21907

Copy this prompt into Claude, ChatGPT, or Copilot. The facts are included, sourced from this page.

Exploitation and severity

Not in the CISA KEV catalog. EPSS exploit probability 33%. CVSS 8.8 (High).

This CVE is among the top half of tracked Microsoft CVEs by EPSS exploit probability.

Official patch(es) for CVE-2024-21907

Elevated priority: high severity or a meaningful exploitation probability, sooner if an affected product is internet-facing. In Intune or Defender, confirm whether the fixing updates KB5065222, KB5065223, KB5065224, KB5065225, KB5065226, KB5065227 are installed across the affected products. Senserva does this automatically across your tenant and flags every missing patch.

Apply the Microsoft security updates below to fix CVE-2024-21907. Each KB page carries the Microsoft Update Catalog download, Microsoft's known issues for the update, a copy-paste PowerShell check for whether it is installed, and the Senserva AI read.

KB5065222KB5065223KB5065224KB5065225KB5065226KB5065227

Affected products

Common questions about CVE-2024-21907

Is CVE-2024-21907 actively exploited?

It is not currently listed in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score puts the probability of exploitation in the next 30 days at 33%.

What patch fixes CVE-2024-21907?

Microsoft fixed CVE-2024-21907 in KB5065222, KB5065223, KB5065224, KB5065225, KB5065226, KB5065227. Download from the Microsoft Update Catalog, or let Intune, Windows Update, or WSUS deliver it.

Which products are affected by CVE-2024-21907?

Microsoft SQL Server 2016 for x64-based Systems Service Pack 3 (GDR), Microsoft SQL Server 2017 for x64-based Systems (GDR), Microsoft SQL Server 2019 for x64-based Systems (GDR).

Can I ask my own AI about CVE-2024-21907?

Yes. This page includes a free, ready-to-paste AI prompt containing CVE-2024-21907's key facts: severity, CVSS, EPSS exploit probability, CISA KEV status, and the fixing KB. Copy it into Claude, ChatGPT, or Copilot for a triage plan; the data is refreshed three times a day (5 AM, 12:30 PM, and 7 PM US Central).

Fixed by the same updates

If you are patching CVE-2024-21907, the same updates also fix these:

CVE-2025-47997CVE-2025-55227

Authoritative references

Official CVE record (cve.org)NVD detailMicrosoft MSRCFIRST.org EPSS

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Lexicon: the terms on this page
CVE
Common Vulnerabilities and Exposures. A unique ID for one publicly known vulnerability, such as CVE-2025-1234.
KB
Microsoft Knowledge Base article. The identifier for a specific Microsoft update.
KEV
CISA Known Exploited Vulnerabilities. CVEs confirmed exploited in the wild. Fix these first.
CVSS
Common Vulnerability Scoring System. A standardized Severity score from 0 to 10.
EPSS
Exploit Prediction Scoring System. The probability a CVE will be exploited in the next 30 days.
MSRC
Microsoft Security Response Center. Microsoft's Patch Tuesday advisories and KB-to-CVE mapping.
NVD
National Vulnerability Database (NIST). Authoritative CVE metadata and CVSS scores.
Ransomware
The vulnerability is linked to known ransomware activity.
Reference: Microsoft CVE and vulnerability management, the full CVE-to-patch lookup ranked by real-world risk, and the Microsoft patching guide, how Intune, Windows Autopatch, Defender, and Azure Update Manager fit together.
Data notice: this page, the feeds, and the API are provided as is, for informational purposes only, without warranty of any kind. Senserva, LLC does not guarantee the accuracy, completeness, or timeliness of third-party data (MSRC, NVD, CISA KEV, EPSS) and accepts no liability for actions taken based on it; verify against the authoritative vendor advisory before acting. Built daily with Senserva Trustworthy AI. All use of this data is subject to the Senserva EULA.