CVE-2023-36906 [Medium] | Information Disclosure in Windows 10

CVE-2023-36906 is rated Moderate Risk (53.1/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 3.82%). Review affected assets and schedule remediation.

#	Date	Old EPSS score	New EPSS score	Delta (New - Old)
1	2026-06-04	3.59%	3.82%	+0.23%
2	2026-05-03	3.42%	3.59%	+0.17%
3	2026-03-19	—	3.42%	—

Date

Old EPSS score

New EPSS score

Delta (New - Old)

2026-06-04

3.59%

3.82%

+0.23%

2026-05-03

3.42%

3.59%

+0.17%

2026-03-19

—

3.42%

—

Base score	Version	Severity	Vector	Exploitability	Impact	Score source
5.5	3.1	MEDIUM	`CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N` 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:L) A normal user session is enough; they don’t have to be admin. 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:N) Data isn’t meaningfully altered or forged. Availability (A:N) Service keeps running; no real outage angle.	1.8	3.6	[email protected]
7.5	3.1	HIGH	`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N` 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: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: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:N) Data isn’t meaningfully altered or forged. Availability (A:N) Service keeps running; no real outage angle.	3.9	3.6	[email protected]

Base score

Version

Severity

Vector

Exploitability

Impact

Score source

5.5

3.1

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N 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:L): A normal user session is enough; they don’t have to be admin.
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:N): Data isn’t meaningfully altered or forged.
Availability (A:N): Service keeps running; no real outage angle.

1.8

3.6

[email protected]

7.5

3.1

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N 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: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: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:N): Data isn’t meaningfully altered or forged.
Availability (A:N): Service keeps running; no real outage angle.

3.9

3.6

[email protected]

Affected software / configurations for CVE-2023-36906

Vendor	Product	Version	Raw CPE
microsoft	windows_10	< 10.0.10240.20107	cpe:2.3:o:microsoft:windows_10::::::::
microsoft	windows_10_1607	< 10.0.14393.6167	cpe:2.3:o:microsoft:windows_10_1607::::::::
microsoft	windows_10_1809	< 10.0.17763.4737	cpe:2.3:o:microsoft:windows_10_1809::::::::
microsoft	windows_10_21h2	< 10.0.19044.3324	cpe:2.3:o:microsoft:windows_10_21h2::::::::
microsoft	windows_10_22h2	< 10.0.19045.3324	cpe:2.3:o:microsoft:windows_10_22h2::::::::
microsoft	windows_11_21h2	< 10.0.22000.2295	cpe:2.3:o:microsoft:windows_11_21h2:::::::arm64:*
microsoft	windows_11_21h2	< 10.0.22000.2295	cpe:2.3:o:microsoft:windows_11_21h2:::::::x64:*
microsoft	windows_11_22h2	< 10.0.22621.2134	cpe:2.3:o:microsoft:windows_11_22h2:::::::arm64:*
microsoft	windows_11_22h2	< 10.0.22621.2134	cpe:2.3:o:microsoft:windows_11_22h2:::::::x64:*
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-2023-36906

URL	Tags
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-36906	Patch Vendor Advisory

URL

CVE-2023-36906 | Windows Cryptographic Services Information Disclosure Vulnerability

Exploit prediction scoring system (EPSS) score for CVE-2023-36906

Common vulnerability scoring system (CVSS) metrics for CVE-2023-36906

Weakness enumeration for CVE-2023-36906

Affected software / configurations for CVE-2023-36906

References for CVE-2023-36906