CVE-2022-44666 [High] | RCE in Windows 10

CVE-2022-44666 is rated High Risk (67/100): CVSS High severity, with high exploitation likelihood (EPSS 54.91%, 98th percentile). EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +1.43% 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	2026-05-23	53.48%	54.91%	+1.43%
2	2026-05-22	57.15%	53.48%	-3.66%
3	2026-02-22	—	57.15%	—

Date

Old EPSS score

New EPSS score

Delta (New - Old)

2026-05-23

53.48%

54.91%

+1.43%

2026-05-22

57.15%

53.48%

-3.66%

2026-02-22

—

57.15%

—

Base score	Version	Severity	Vector	Exploitability	Impact	Score source
7.8	3.1	HIGH	`CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H` Click to expand Attack vector (AV:L) They already need access on the box, or another person has to do something wrong; it’s not a remote drive-by. Attack complexity (AC:L) Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup. Privileges required (PR:N) No account or special rights needed—anonymous or random user is enough. User interaction (UI:R) A real person has to do something—click, install, enable—otherwise it doesn’t land. 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.	1.8	5.9	[email protected]

Base score

Version

Severity

Vector

Exploitability

Impact

Score source

7.8

3.1

HIGH

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

Attack vector (AV:L): They already need access on the box, or another person has to do something wrong; it’s not a remote drive-by.
Attack complexity (AC:L): Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N): No account or special rights needed—anonymous or random user is enough.
User interaction (UI:R): A real person has to do something—click, install, enable—otherwise it doesn’t land.
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.

1.8

5.9

[email protected]

Affected software / configurations for CVE-2022-44666

Vendor	Product	Version	Raw CPE
microsoft	windows_10	—	cpe:2.3:o:microsoft:windows_10:-:::::::*
microsoft	windows_10	20h2	cpe:2.3:o:microsoft:windows_10:20h2:::::::*
microsoft	windows_10	21h1	cpe:2.3:o:microsoft:windows_10:21h1:::::::*
microsoft	windows_10	21h2	cpe:2.3:o:microsoft:windows_10:21h2:::::::*
microsoft	windows_10	22h2	cpe:2.3:o:microsoft:windows_10:22h2:::::::*
microsoft	windows_10	1607	cpe:2.3:o:microsoft:windows_10:1607:::::::*
microsoft	windows_10	1809	cpe:2.3:o:microsoft:windows_10:1809:::::::*
microsoft	windows_11	—	cpe:2.3:o:microsoft:windows_11:-::::::x64:
microsoft	windows_11	22h2	cpe:2.3:o:microsoft:windows_11:22h2::::::x64:
microsoft	windows_7	—	cpe:2.3:o:microsoft:windows_7:-:sp1::::::
microsoft	windows_8.1	—	cpe:2.3:o:microsoft:windows_8.1:-:::::::*
microsoft	windows_rt_8.1	—	cpe:2.3:o:microsoft:windows_rt_8.1:-:::::::*
microsoft	windows_server_2008	—	cpe:2.3:o:microsoft:windows_server_2008:-:sp2::::::
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	—	cpe:2.3:o:microsoft:windows_server_2016:-:::::::*
microsoft	windows_server_2019	—	cpe:2.3:o:microsoft:windows_server_2019:-:::::::*
microsoft	windows_server_2022	—	cpe:2.3:o:microsoft:windows_server_2022:-:::::::*

References for CVE-2022-44666

URL	Tags
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-44666

URL

CVE-2022-44666 | Windows Contacts Remote Code Execution Vulnerability

Exploit prediction scoring system (EPSS) score for CVE-2022-44666

Common vulnerability scoring system (CVSS) metrics for CVE-2022-44666

Weakness enumeration for CVE-2022-44666

Affected software / configurations for CVE-2022-44666

References for CVE-2022-44666