CVE-2024-21447
published 2024-04-09CVE-2024-21447: Windows Authentication Elevation of Privilege Vulnerability
PriorityP279high7.8CVSS 3.1
AVLACLPRLUINSUCHIHAH
ITWVulnCheck KEV
Exploited in the wild
EPSS
1.37%
68.9th percentile
Windows Authentication Elevation of Privilege Vulnerability
Affected
28 ranges· showing 25
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| microsoft | windows_10_21h2 | < 10.0.19044.4291 | 10.0.19044.4291 |
| microsoft | windows_10_22h2 | < 10.0.19045.4291 | 10.0.19045.4291 |
| microsoft | windows_10_version_21h2 | >= 10.0.19043.0 < 10.0.19044.4291 | 10.0.19044.4291 |
| microsoft | windows_10_version_22h2 | >= 10.0.19045.0 < 10.0.19045.4291 | 10.0.19045.4291 |
| microsoft | windows_11_21h2 | < 10.0.22000.2899 | 10.0.22000.2899 |
| microsoft | windows_11_22h2 | < 10.0.22621.3447 | 10.0.22621.3447 |
| microsoft | windows_11_23h2 | < 10.0.22631.3447 | 10.0.22631.3447 |
| microsoft | windows_11_version_21h2 | >= 10.0.0 < 10.0.22000.2899 | 10.0.22000.2899 |
| microsoft | windows_11_version_22h2 | >= 10.0.22621.0 < 10.0.22621.3447 | 10.0.22621.3447 |
| microsoft | windows_11_version_22h3 | >= 10.0.22631.0 < 10.0.22631.3447 | 10.0.22631.3447 |
| microsoft | windows_11_version_23h2 | >= 10.0.22631.0 < 10.0.22631.3447 | 10.0.22631.3447 |
| microsoft | windows_server_2022 | < 10.0.20348.2402 | 10.0.20348.2402 |
| microsoft | windows_server_2022 | >= 10.0.20348.0 < 10.0.20348.2402 | 10.0.20348.2402 |
| microsoft | windows_server_2022_23h2 | < 10.0.25398.830 | 10.0.25398.830 |
| msrc | windows_10_version_21h2_for_32-bit_systems | — | — |
| msrc | windows_10_version_21h2_for_arm64-based_systems | — | — |
| msrc | windows_10_version_21h2_for_x64-based_systems | — | — |
| msrc | windows_10_version_22h2_for_32-bit_systems | — | — |
| msrc | windows_10_version_22h2_for_arm64-based_systems | — | — |
| msrc | windows_10_version_22h2_for_x64-based_systems | — | — |
| msrc | windows_11_version_21h2_for_arm64-based_systems | — | — |
| msrc | windows_11_version_21h2_for_x64-based_systems | — | — |
| msrc | windows_11_version_22h2_for_arm64-based_systems | — | — |
| msrc | windows_11_version_22h2_for_x64-based_systems | — | — |
| msrc | windows_11_version_23h2_for_arm64-based_systems | — | — |
Detection & IOCsextracted from sources · hover to see the quote
- →Vulnerability affects Windows Authentication Methods and allows Elevation of Privilege to SYSTEM level; monitor for unexpected SYSTEM-level process creation originating from lower-privileged user contexts on affected Windows systems. ↗
- →Exploitation status is 'Exploitation Less Likely' and not yet observed in the wild; prioritize patching via KB5036909, KB5036894, KB5036892, KB5036893, KB5036910 and monitor authentication-related event logs for anomalies. ↗
- ·Customer action is required; affected component is Windows Authentication Methods — ensure all relevant KB patches are applied to fully remediate. ↗
CVSS provenance
nvdv3.17.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
vulncheck7.8HIGH
vendor_msrc7.8HIGH
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GHSA
GHSA-7m2v-r87h-vhc2: Windows Authentication Elevation of Privilege Vulnerability
ghsa_unreviewed·2024-04-09
CVE-2024-21447 [HIGH] CWE-59 GHSA-7m2v-r87h-vhc2: Windows Authentication Elevation of Privilege Vulnerability
Windows Authentication Elevation of Privilege Vulnerability
VulnCheck
Microsoft Windows Improper Link Resolution Before File Access ('Link Following')
vulncheck·2024·CVSS 7.8
CVE-2024-21447 [HIGH] Microsoft Windows Improper Link Resolution Before File Access ('Link Following')
Microsoft Windows Improper Link Resolution Before File Access ('Link Following')
Windows Authentication Elevation of Privilege Vulnerability
Affected: Microsoft Windows
Required Action: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.
Exploitation References: https://securelist.com/vulnerabilities-and-exploits-in-q4-2024/115761/
Microsoft
Windows Authentication Elevation of Privilege Vulnerability
vendor_msrc·2024-04-09·CVSS 7.8
CVE-2024-21447 [HIGH] CWE-59 Windows Authentication Elevation of Privilege Vulnerability
Windows Authentication Elevation of Privilege Vulnerability
FAQ: What privileges could be gained by an attacker who successfully exploited this vulnerability?
An attacker who successfully exploited this vulnerability could gain SYSTEM privileges.
Windows Authentication Methods: Windows Authentication Methods
Microsoft: Microsoft
Customer Action Required: Yes
Impact: Elevation of Privilege
Exploit Status: Publicly Disclosed:No;Exploited:No;Latest Software Release:Exploitation Less Likely;DOS:N/A
Reference: https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5036909
Reference: https://support.microsoft.com/help/5036909
Reference: https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5036894
Reference: https://support.microsoft.com/help/5036894
Reference: https://ca
No detection rules found.
No public exploits indexed.
Securelist
Vulnerability landscape analysis for Q4 2024
blogs_securelist·2025-02-26
Vulnerability landscape analysis for Q4 2024
Table of Contents
- Statistics on registered vulnerabilities
- Exploitation statistics
- Vulnerability exploitation in APT attacks
- Interesting vulnerabilities
- Conclusion and advice
Authors
- Alexander Kolesnikov
Q4 2024 saw fewer published exploits for Windows and Linux compared to the first three quarters. Although the number of registered vulnerabilities continued to rise, the total number of Proof of Concept (PoC) instances decreased compared to 2023. Among notable techniques in Q4, attackers leveraged undocumented RPC interfaces and targeted the Windows authentication mechanism.
## Statistics on registered vulnerabilities
This section contains statistics on registered vulnerabilities. Data is sourced from the CVE portal: cve.org.
Total number of registered vulnerabilities a
Securelist
Exploits and vulnerabilities in Q4 2024
blogs_securelist·2025-02-26·CVSS 6.5
CVE-2024-43572 [MEDIUM] Exploits and vulnerabilities in Q4 2024
Table of Contents
Statistics on registered vulnerabilities
Exploitation statistics
Windows and Linux vulnerability exploitation
Most common published exploits
Vulnerability exploitation in APT attacks
Interesting vulnerabilities
CVE-2024-43572—Remote code execution vulnerability in Microsoft Management Console
CVE-2024-43451—NetNTLM hash disclosure vulnerability
CVE-2024-49039—Elevation of privilege vulnerability in Windows Task Scheduler
Conclusion and advice
Authors
Alexander Kolesnikov
Q4 2024 saw fewer published exploits for Windows and Linux compared to the first three quarters. Although the number of registered vulnerabilities continued to rise, the total number of Proof of Concept (PoC) instances decreased compared to 2023. Among notable techniques in Q4, attackers leve
Trendmicro
The April 2024 Security Updates Review
blogs_trendmicro·2024-04-09
The April 2024 Security Updates Review
# The April 2024 Security Updates Review
Get the April 2024 security update and review.
By: Dustin Childs
2024/04/09
Read time: ( words)
Save to Folio
It’s the second Tuesday of the month, and Adobe and Microsoft have released a fresh crop of security updates. Take a break from your other activities and join us as we review the details of their latest advisories. If you’d rather watch the full video recap covering the entire release, you can check it out here:
Adobe Patches for April 2024
For April, Adobe released nine patches addressing 24 CVEs in Adobe After Effects, Photoshop, Commerce, InDesign, Experience Manager, Media Encoder, Bridge, Illustrator, and Adobe Animate. The largest of these updates is for Experience Manager, however, all of the bugs being patched are simple Cross
Bleepingcomputer
Microsoft April 2024 Patch Tuesday fixes 150 security flaws, 67 RCEs
blogs_bleepingcomputer·2024-04-09·CVSS 8.1
[HIGH] Microsoft April 2024 Patch Tuesday fixes 150 security flaws, 67 RCEs
## Microsoft April 2024 Patch Tuesday fixes 150 security flaws, 67 RCEs
## Lawrence Abrams
There were also fixes for twenty-six Secure Boot bypasses released this month, including two from Lenovo.
The number of bugs in each vulnerability category is listed below:
31 Elevation of Privilege Vulnerabilities
29 Security Feature Bypass Vulnerabilities
67 Remote Code Execution Vulnerabilities
13 Information Disclosure Vulnerabilities
7 Denial of Service Vulnerabilities
3 Spoofing Vulnerabilities
The total count of 150 flaws does not include 5 Microsoft Edge flaws fixed on April 4th and 2 Mariner flaws. Mariner is an open-source Linux distribution developed by Microsoft for its Microsoft Azure services.
To learn more about the non-security updates released today, you can review our ded
Trendmicro
The April 2024 Security Updates Review
blogs_trendmicro·2024-04-09
The April 2024 Security Updates Review
## The April 2024 Security Updates Review
Get the April 2024 security update and review.
By: Dustin Childs 2024/04/09 Read time: ( words)
Save to Folio
It’s the second Tuesday of the month, and Adobe and Microsoft have released a fresh crop of security updates. Take a break from your other activities and join us as we review the details of their latest advisories. If you’d rather watch the full video recap covering the entire release, you can check it out here:
Adobe Patches for April 2024
For April, Adobe released nine patches addressing 24 CVEs in Adobe After Effects, Photoshop, Commerce, InDesign, Experience Manager, Media Encoder, Bridge, Illustrator, and Adobe Animate. The largest of these updates is for Experience Manager , however, all of the bugs being patched are simple Cros
2024-04-09
Published
Exploited in the wild