CVE-2019-1405 [Exploited] | Microsoft WINDOWS 10 1507 Privilege Escalation

CVE-2019-1405 is rated Critical Active Threat (87.3/100): CVSS High severity, with high exploitation likelihood (EPSS 53.91%, 98th percentile). CISA KEV confirms active exploitation (added 2022-03-15) affecting Microsoft / Windows. a weakness (CWE-269) Unauthenticated remote administrative access may be possible. The CISA remediation deadline has passed—treat as an emergency patch priority.

EDB-ID	Source	Kind	Published	Link
47805	exploit_db	edb	2019-12-30	Exploit-DB ↗
47684	exploit_db	edb	2019-11-14	Exploit-DB ↗

EDB-ID

Source

Kind

Published

Link

47805

exploit_db

edb

2019-12-30

Exploit-DB ↗

47684

exploit_db

edb

2019-11-14

Exploit-DB ↗

#	Date	Old EPSS score	New EPSS score	Delta (New - Old)
1	2026-03-17	57.08%	53.91%	-3.17%
2	2026-01-31	53.61%	57.08%	+3.47%
3	2025-12-19	—	53.61%	—

Date

Old EPSS score

New EPSS score

Delta (New - Old)

2026-03-17

57.08%

53.91%

-3.17%

2026-01-31

53.61%

57.08%

+3.47%

2025-12-19

—

53.61%

—

Base score	Version	Severity	Vector	Exploitability	Impact	Score source
7.8	3.1	HIGH	`CVSS:3.1/AV:L/AC:L/PR:L/UI:N/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: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: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]
7.8	3.1	HIGH	`CVSS:3.1/AV:L/AC:L/PR:L/UI:N/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: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: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	134c704f-9b21-4f2e-91b3-4a467353bcc0
7.2	2.0	HIGH	`AV:L/AC:L/Au:N/C:C/I:C/A:C` Click to expand Access vector (AV:L) Requires local access to the target system. Access complexity (AC:L) Exploitation conditions are straightforward and predictable. Authentication (AU:N) No authentication is required. Confidentiality impact (C:C) Complete confidentiality impact. Integrity impact (I:C) Complete integrity impact. Availability impact (A:C) Complete availability impact.	3.9	10.0	[email protected]

Base score

Version

Severity

Vector

Exploitability

Impact

Score source

7.8

3.1

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/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: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: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]

7.8

3.1

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/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: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: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

134c704f-9b21-4f2e-91b3-4a467353bcc0

7.2

2.0

HIGH

AV:L/AC:L/Au:N/C:C/I:C/A:C Click to expand

Access vector (AV:L): Requires local access to the target system.
Access complexity (AC:L): Exploitation conditions are straightforward and predictable.
Authentication (AU:N): No authentication is required.
Confidentiality impact (C:C): Complete confidentiality impact.
Integrity impact (I:C): Complete integrity impact.
Availability impact (A:C): Complete availability impact.

3.9

10.0

[email protected]

Affected software / configurations for CVE-2019-1405

Vendor	Product	Version	Raw CPE
microsoft	windows_10_1507	—	cpe:2.3:o:microsoft:windows_10_1507:-::::::x64:
microsoft	windows_10_1507	—	cpe:2.3:o:microsoft:windows_10_1507:-::::::x86:
microsoft	windows_10_1607	—	cpe:2.3:o:microsoft:windows_10_1607:-::::::x64:
microsoft	windows_10_1607	—	cpe:2.3:o:microsoft:windows_10_1607:-::::::x86:
microsoft	windows_10_1709	—	cpe:2.3:o:microsoft:windows_10_1709:-::::::arm64:
microsoft	windows_10_1709	—	cpe:2.3:o:microsoft:windows_10_1709:-::::::x64:
microsoft	windows_10_1709	—	cpe:2.3:o:microsoft:windows_10_1709:-::::::x86:
microsoft	windows_10_1803	—	cpe:2.3:o:microsoft:windows_10_1803:-::::::arm64:
microsoft	windows_10_1803	—	cpe:2.3:o:microsoft:windows_10_1803:-::::::x64:
microsoft	windows_10_1803	—	cpe:2.3:o:microsoft:windows_10_1803:-::::::x86:
microsoft	windows_10_1809	—	cpe:2.3:o:microsoft:windows_10_1809:-::::::arm64:
microsoft	windows_10_1809	—	cpe:2.3:o:microsoft:windows_10_1809:-::::::x64:
microsoft	windows_10_1809	—	cpe:2.3:o:microsoft:windows_10_1809:-::::::x86:
microsoft	windows_10_1903	—	cpe:2.3:o:microsoft:windows_10_1903:-::::::arm64:
microsoft	windows_10_1903	—	cpe:2.3:o:microsoft:windows_10_1903:-::::::x64:
microsoft	windows_10_1903	—	cpe:2.3:o:microsoft:windows_10_1903:-::::::x86:
microsoft	windows_7	—	cpe:2.3:o:microsoft:windows_7:-:sp1:::::x64:*
microsoft	windows_7	—	cpe:2.3:o:microsoft:windows_7:-:sp1:::::x86:*
microsoft	windows_8.1	—	cpe:2.3:o:microsoft:windows_8.1:-::::::x86:
microsoft	windows_rt_8.1	—	cpe:2.3:o:microsoft:windows_rt_8.1:-:::::::*
microsoft	windows_server_1803	—	cpe:2.3:o:microsoft:windows_server_1803:-::::::x64:
microsoft	windows_server_1903	—	cpe:2.3:o:microsoft:windows_server_1903:-::::::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:::::itanium:*
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:-:::::::*

References for CVE-2019-1405

URL	Tags
http://packetstormsecurity.com/files/155723/Microsoft-UPnP-Local-Privilege-Elevation.html	Third Party Advisory VDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1405	Patch Vendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-1405	US Government Resource

URL

CVE-2019-1405

CISA KEV Record for CVE-2019-1405

Public exploit references (Exploit-DB) for CVE-2019-1405

Exploit prediction scoring system (EPSS) score for CVE-2019-1405

Common vulnerability scoring system (CVSS) metrics for CVE-2019-1405

Weakness enumeration for CVE-2019-1405

Affected software / configurations for CVE-2019-1405

References for CVE-2019-1405