CVE-2024-21357 [High] | RCE in Windows 10 1507

CVE-2024-21357 is rated High Risk (71.6/100): CVSS High severity, with high exploitation likelihood (EPSS 26.90%, 98th percentile). EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +9.63% over the last day, indicating growing attacker interest. High exploitation likelihood—assess exposure and prioritize remediation.

#	Date	Old EPSS score	New EPSS score	Delta (New - Old)
1	2026-06-15	17.27%	26.90%	+9.63%
2	2025-12-09	17.79%	17.27%	-0.52%
3	2025-11-26	—	17.79%	—

Date

Old EPSS score

New EPSS score

Delta (New - Old)

2026-06-15

17.27%

26.90%

+9.63%

2025-12-09

17.79%

17.27%

-0.52%

2025-11-26

—

17.79%

—

Base score	Version	Severity	Vector	Exploitability	Impact	Score source
8.1	3.1	HIGH	`CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H` Click to expand Attack vector (AV:N) Could be attacked over the internet or any normal routed network—not just someone sitting at the machine. Attack complexity (AC:H) Even with access, the exploit needs extra luck, timing, or a fussy environment to actually work. Privileges required (PR:N) No account or special rights needed—anonymous or random user is enough. User interaction (UI:N) Nobody has to click “OK” or open a trap file; it can work without a victim helping. Scope (S:U) Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems. Confidentiality (C:H) Serious risk that confidential data gets exposed in a big way. Integrity (I:H) They could widely tamper with or forge data—trust in the data is badly hurt. Availability (A:H) Could take the service down hard or make it unusable for people who depend on it.	2.2	5.9	[email protected]

Base score

Version

Severity

Vector

Exploitability

Impact

Score source

8.1

3.1

HIGH

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H Click to expand

Attack vector (AV:N): Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:H): Even with access, the exploit needs extra luck, timing, or a fussy environment to actually work.
Privileges required (PR:N): No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N): Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U): Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H): Serious risk that confidential data gets exposed in a big way.
Integrity (I:H): They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H): Could take the service down hard or make it unusable for people who depend on it.

2.2

5.9

[email protected]

Affected software / configurations for CVE-2024-21357

Vendor	Product	Version	Raw CPE
microsoft	windows_10_1507	< 10.0.10240.20469	cpe:2.3:o:microsoft:windows_10_1507:::::::x64:*
microsoft	windows_10_1507	< 10.0.10240.20469	cpe:2.3:o:microsoft:windows_10_1507:::::::x86:*
microsoft	windows_10_1607	< 10.0.14393.6709	cpe:2.3:o:microsoft:windows_10_1607:::::::x64:*
microsoft	windows_10_1607	< 10.0.14393.6709	cpe:2.3:o:microsoft:windows_10_1607:::::::x86:*
microsoft	windows_10_1809	< 10.0.17763.5458	cpe:2.3:o:microsoft:windows_10_1809:::::::arm64:*
microsoft	windows_10_1809	< 10.0.17763.5458	cpe:2.3:o:microsoft:windows_10_1809:::::::x64:*
microsoft	windows_10_1809	<= 10.0.17763.5458	cpe:2.3:o:microsoft:windows_10_1809:::::::x86:*
microsoft	windows_10_21h1	< 10.0.19044.4046	cpe:2.3:o:microsoft:windows_10_21h1:::::::arm64:*
microsoft	windows_10_21h1	< 10.0.19044.4046	cpe:2.3:o:microsoft:windows_10_21h1:::::::x64:*
microsoft	windows_10_21h1	< 10.0.19044.4046	cpe:2.3:o:microsoft:windows_10_21h1:::::::x86:*
microsoft	windows_10_22h2	< 10.0.19045.4046	cpe:2.3:o:microsoft:windows_10_22h2:::::::arm64:*
microsoft	windows_10_22h2	< 10.0.19045.4046	cpe:2.3:o:microsoft:windows_10_22h2:::::::x64:*
microsoft	windows_10_22h2	< 10.0.19045.4046	cpe:2.3:o:microsoft:windows_10_22h2:::::::x86:*
microsoft	windows_11_21h2	< 10.0.22000.2777	cpe:2.3:o:microsoft:windows_11_21h2:::::::arm64:*
microsoft	windows_11_21h2	< 10.0.22000.2777	cpe:2.3:o:microsoft:windows_11_21h2:::::::x64:*
microsoft	windows_11_22h2	< 10.0.22621.3155	cpe:2.3:o:microsoft:windows_11_22h2:::::::arm64:*
microsoft	windows_11_22h2	< 10.0.22621.3155	cpe:2.3:o:microsoft:windows_11_22h2:::::::x64:*
microsoft	windows_11_23h2	< 10.0.22631.3155	cpe:2.3:o:microsoft:windows_11_23h2:::::::arm64:*
microsoft	windows_11_23h2	< 10.0.22631.3155	cpe:2.3:o:microsoft:windows_11_23h2:::::::x64:*
microsoft	windows_server_2008	—	cpe:2.3:o:microsoft:windows_server_2008:-:sp2:::::x64:*
microsoft	windows_server_2008	—	cpe:2.3:o:microsoft:windows_server_2008:-:sp2:::::x86:*
microsoft	windows_server_2008	r2	cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:::::x64:*
microsoft	windows_server_2012	—	cpe:2.3:o:microsoft:windows_server_2012:-:::::::*
microsoft	windows_server_2012	r2	cpe:2.3:o:microsoft:windows_server_2012:r2:::::::*
microsoft	windows_server_2016	< 10.0.14393.6709	cpe:2.3:o:microsoft:windows_server_2016::::::::
microsoft	windows_server_2019	< 10.0.17763.5458	cpe:2.3:o:microsoft:windows_server_2019::::::::
microsoft	windows_server_2022	< 10.0.20348.2322	cpe:2.3:o:microsoft:windows_server_2022::::::::
microsoft	windows_server_2022_23h2	< 10.0.25398.709	cpe:2.3:o:microsoft:windows_server_2022_23h2::::::::

References for CVE-2024-21357

URL	Tags
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21357	Patch Vendor Advisory

URL

CVE-2024-21357 | Windows Pragmatic General Multicast (PGM) Remote Code Execution Vulnerability

Exploit prediction scoring system (EPSS) score for CVE-2024-21357

Common vulnerability scoring system (CVSS) metrics for CVE-2024-21357

Weakness enumeration for CVE-2024-21357

Affected software / configurations for CVE-2024-21357

References for CVE-2024-21357