What is CVE-2023-36025?
Windows SmartScreen Security Feature Bypass Vulnerability
Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs no prior authentication, needs a user to take an action first, and has high impact on confidentiality, integrity, availability. 13 affected-product entries are recorded, across 1 vendor, listed below. The identifier was first published 1094 days ago.
Severity and exploitation probability
- CVSS v3.1 base score
- 8.8 — HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - EPSS (FIRST)
- 88.0% probability of exploitation in the next 30 days, higher than 99.7% of all scored CVEs
- CISA KEV
- Listed since 2023-11-14, federal remediation deadline 2023-12-05
- Threadlinqs priority
- 9/10 — CISA KEV-listed, which Threadlinqs floors at 9
- Published
- 2023-11-14
Is CVE-2023-36025 being exploited?
CISA added CVE-2023-36025 to the Known Exploited Vulnerabilities catalog on 2023-11-14, which means the agency holds evidence of exploitation in the wild; US federal civilian agencies had to remediate it by 2023-12-05 under BOD 22-01. Weaponised exploit code for CVE-2023-36025 is publicly available. 4 public proof-of-concept repositories are tracked for this identifier. It currently carries a trending score of 48 in the Threadlinqs vulnerability feed.
- ka7ana/CVE-2023-36025 (github)
- J466Y/test_CVE-2023-36025 (github)
- coolman6942o/-EXPLOIT-CVE-2023-36025 (github)
- trickest/cve (trickest)
Affected products and versions
- (vendor unspecified): microsoft:windows_server_2022, microsoft:windows_11_21h2, microsoft:windows_server_2012, microsoft:windows_10_22h2, microsoft:windows_server_2008, microsoft:windows_10_1809, microsoft:windows_10_1507, microsoft:windows_server_2019, microsoft:windows_10_1607, microsoft:windows_11_23h2, microsoft:windows_server_2016, microsoft:windows_11_22h2, microsoft:windows_10_21h2
How to fix CVE-2023-36025
The record marks a vendor fix as available for CVE-2023-36025. Patch reference: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-36025. Because CVE-2023-36025 is KEV-listed, US federal civilian agencies were required to apply the vendor fix, or stop using the product, by 2023-12-05. Apply the vendor fix referenced above to every affected product listed in this record, then confirm the running version against the vendor advisory.
Threat activity tracking CVE-2023-36025
2 tracked threats in the Threadlinqs corpus reference CVE-2023-36025, either in the campaign’s CVE list or as an indicator on the campaign record.
Sources
Enriched from CVE.org, FIRST EPSS, CISA KEV, public proof-of-concept repositories.