How severe is CVE-2022-45770?

CVE-2022-45770 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-45770 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-45770?

CVE-2022-45770 affects Adguard. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-45770?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2022-45770 published?

CVE-2022-45770 was published on 2023-01-26 and last updated on 2026-06-17.

CVE-2022-45770

CVE-2022-45770 is a high-severity vulnerability in Adguard with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: High (CVSS 3.x base score 7.8)
EPSS exploit prediction: 1% (45th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Adguard
Published: 2023-01-26
Last modified: 2026-06-17

Description

Improper input validation in adgnetworkwfpdrv.sys in Adguard For Windows x86 through 7.11 allows local privilege escalation.

Frequently asked questions

What is CVE-2022-45770?: Improper input validation in adgnetworkwfpdrv.sys in Adguard For Windows x86 through 7.11 allows local privilege escalation.
How severe is CVE-2022-45770?: CVE-2022-45770 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-45770 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-45770?: CVE-2022-45770 affects Adguard. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-45770?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2022-45770 published?: CVE-2022-45770 was published on 2023-01-26 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:adguard:adguard:*:*:*:*:*:windows:*:*

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