CVE-2023-36025: Microsoft Windows SmartScreen Security Feature Bypass Vulnerability

Is it exploited?

Yes. CISA added it to the Known Exploited Vulnerabilities catalog on 14 Nov 2023, the same day the CVE record was published.

How likely is exploitation in the next 30 days?

88.1%

EPSS score, percentile 99.8 of all scored records

How severe?

8.8 High

CVSS v3.1 base score, given by the CNA

What should I do?

Required action (CISA), due 5 Dec 2023: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Advisories and patches (1)

Which versions are affected?

Affected: 10.0.17763.0 up to, not including, 10.0.17763.5122; 10.0.0 up to, not including, 10.0.17763.5122; 10.0.17763.0 up to, not including, 10.0.17763.5122; 10.0.17763.0 up to, not including, 10.0.17763.5122; 10.0.20348.0 up to, not including, 10.0.20348.2113; 10.0.0 up to, not including, 10.0.22000.2600; 10.0.19043.0 up to, not including, 10.0.19043.3693; 10.0.22621.0 up to, not including, 10.0.22621.2715; 10.0.19045.0 up to, not including, 10.0.19045.3693; 10.0.22631.0 up to, not including, 10.0.22631.2715; 10.0.22631.0 up to, not including, 10.0.22631.2715; 10.0.25398.0 up to, not including, 10.0.25398.531; 10.0.10240.0 up to, not including, 10.0.10240.20308; 10.0.14393.0 up to, not including, 10.0.14393.6452; 10.0.14393.0 up to, not including, 10.0.14393.6452; 10.0.14393.0 up to, not including, 10.0.14393.6452; 6.0.6003.0 up to, not including, 6.0.6003.22367; 6.0.6003.0 up to, not including, 6.0.6003.22367; 6.0.6003.0 up to, not including, 6.0.6003.22367; 6.1.7601.0 up to, not including, 6.1.7601.26816

Versions by product

Source: CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.28, as of 28 Oct 2026; FIRST Exploit Prediction Scoring System (EPSS), v2026.06.15, as of 28 Oct 2026; CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026. About the data.

What to do

CISA due date for this action: 5 December 2023.

Advisories and patches

• Windows SmartScreen Security Feature Bypass Vulnerability (Vendor advisory)

Linked from CISA's catalog entry

• https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2023-36025
• https://nvd.nist.gov/vuln/detail/CVE-2023-36025

Affected products and versions

As listed in the CVE record.

Source: CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026. About the data.

About this vulnerability

Microsoft Windows SmartScreen contains a security feature bypass vulnerability that could allow an attacker to bypass Windows Defender SmartScreen checks and their associated prompts.

Summary: CISA's KEV catalog, as of 28 Oct 2026.

• CISA added CVE-2023-36025 to its Known Exploited Vulnerabilities (KEV) catalog on 14 Nov 2023.
• CISA's ransomware flag for this entry is "Unknown": no evidence of ransomware use in the catalog, which is not proof of none.
• The due date CISA sets for the required action is 5 Dec 2023.
• The CVE record was published on 14 Nov 2023, the same day it was added to KEV.
• The CVE record carries a CVSS v3.1 base score of 8.8 (High), given by its CNA.
• FIRST's EPSS model puts the probability of exploitation in the next 30 days at 88.1% (percentile 99.8), as of 28 Oct 2026.
• CISA's SSVC assessment in the CVE record: exploitation active, automatable no, technical impact total.

Source: CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.28, as of 28 Oct 2026; CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026; FIRST Exploit Prediction Scoring System (EPSS), v2026.06.15, as of 28 Oct 2026. About the data.

Description

Windows SmartScreen Security Feature Bypass Vulnerability

Windows SmartScreen Security Feature Bypass Vulnerability

Source: CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026. About the data.

Timeline

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