CVE-2022-27167 [High] | Privilege Escalation in Endpoint Antivirus

Privilege escalation vulnerability in Windows products of ESET, spol. s r.o. allows attacker to exploit "Repair" and "Uninstall" features what may lead to arbitrary file deletion. This issue affects: ESET, spol. s r.o. ESET NOD32 Antivirus 11.2 versions prior to 15.1.12.0. ESET, spol. s r.o. ESET Internet Security 11.2 versions prior to 15.1.12.0. ESET, spol. s r.o. ESET Smart Security Premium 11.2 versions prior to 15.1.12.0. ESET, spol. s r.o. ESET Endpoint Antivirus 6.0 versions prior to 9.0.2046.0. ESET, spol. s r.o. ESET Endpoint Security 6.0 versions prior to 9.0.2046.0. ESET, spol. s r.o. ESET Server Security for Microsoft Windows Server 8.0 versions prior to 9.0.12012.0. ESET, spol. s r.o. ESET File Security for Microsoft Windows Server 8.0.12013.0. ESET, spol. s r.o. ESET Mail Security for Microsoft Exchange Server 6.0 versions prior to 8.0.10020.0. ESET, spol. s r.o. ESET Mail Security for IBM Domino 6.0 versions prior to 8.0.14011.0. ESET, spol. s r.o. ESET Security for Microsoft SharePoint Server 6.0 versions prior to 8.0.15009.0.

#	Date	Old EPSS score	New EPSS score	Delta (New - Old)
1	2026-06-15	0.03%	0.18%	+0.15%
2	2025-07-11	0.07%	0.03%	-0.03%
3	2025-05-12	—	0.07%	—

Date

Old EPSS score

New EPSS score

Delta (New - Old)

2026-06-15

0.03%

0.18%

+0.15%

2025-07-11

0.07%

0.03%

-0.03%

2025-05-12

—

0.07%

—

Base score	Version	Severity	Vector	Exploitability	Impact	Score source
7.1	3.1	HIGH	`CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/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:N) Doesn’t really leak secrets in a meaningful 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	5.2	[email protected]
7.1	3.1	HIGH	`CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/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:N) Doesn’t really leak secrets in a meaningful 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	5.2	[email protected]
3.6	2.0	LOW	`AV:L/AC:L/Au:N/C:N/I:P/A:P` 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:N) No confidentiality impact. Integrity impact (I:P) Partial integrity impact. Availability impact (A:P) Partial availability impact.	3.9	4.9	[email protected]

Base score

Version

Severity

Vector

Exploitability

Impact

Score source

7.1

3.1

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/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:N): Doesn’t really leak secrets in a meaningful 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

5.2

[email protected]

7.1

3.1

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/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:N): Doesn’t really leak secrets in a meaningful 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

5.2

[email protected]

3.6

2.0

LOW

AV:L/AC:L/Au:N/C:N/I:P/A:P 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:N): No confidentiality impact.
Integrity impact (I:P): Partial integrity impact.
Availability impact (A:P): Partial availability impact.

3.9

4.9

[email protected]

Affected software / configurations for CVE-2022-27167

Vendor	Product	Version	Raw CPE
eset	endpoint_antivirus	>= 6.0, < 8.0.2053.0	cpe:2.3:a:eset:endpoint_antivirus::::::windows::*
eset	endpoint_antivirus	>= 8.1, < 8.1.2050.0	cpe:2.3:a:eset:endpoint_antivirus::::::windows::*
eset	endpoint_antivirus	>= 9.0, < 9.0.2046.0	cpe:2.3:a:eset:endpoint_antivirus::::::windows::*
eset	endpoint_security	>= 6.0, < 8.0.2053.0	cpe:2.3:a:eset:endpoint_security::::::windows::*
eset	endpoint_security	>= 8.1, < 8.1.2050.0	cpe:2.3:a:eset:endpoint_security::::::windows::*
eset	endpoint_security	>= 9.0, < 9.0.2046.0	cpe:2.3:a:eset:endpoint_security::::::windows::*
eset	file_security	>= 6.0, < 8.0.12013.0	cpe:2.3:a:eset:file_security::::::windows_server::*
eset	internet_security	>= 11.2, < 15.1.12.0	cpe:2.3:a:eset:internet_security::::::windows::*
eset	mail_security	>= 6.0, < 8.0.10020.0	cpe:2.3:a:eset:mail_security::::::exchange_server::*
eset	mail_security	>= 6.0, < 8.0.14011.0	cpe:2.3:a:eset:mail_security::::::domino::*
eset	nod32_antivirus	>= 11.2, < 15.1.12.0	cpe:2.3:a:eset:nod32_antivirus::::::windows::*
eset	security	>= 6.0, < 8.0.15009.0	cpe:2.3:a:eset:security::::::sharepoint_server::*
eset	server_security	>= 6.0	cpe:2.3:a:eset:server_security::::::azure::*
eset	server_security	>= 8.0, < 9.0.12012.0	cpe:2.3:a:eset:server_security::::::windows_server::*
eset	smart_security	>= 11.2, < 15.1.12.0	cpe:2.3:a:eset:smart_security:::::premium:windows::

References for CVE-2022-27167

URL	Tags
https://support.eset.com/en/ca8268	Vendor Advisory

URL

CVE-2022-27167 | Arbitrary File Deletion in ESET products for Windows

Exploit prediction scoring system (EPSS) score for CVE-2022-27167

Common vulnerability scoring system (CVSS) metrics for CVE-2022-27167

Weakness enumeration for CVE-2022-27167

Affected software / configurations for CVE-2022-27167

References for CVE-2022-27167