CVE-2026-73637

CVE Enrichment

CVSS: 7.3 HIGH
EPSS: 0.48%
EPSS Percentile: 39.97%
CISA KEV: Not listed

Description

Use after free in mod_auth_digest in Apache Software Foundation Apache HTTP Server before 2.4.69 on all platforms allows an unauthenticated remote client to cause authentication state corruption via concurrent Digest authentication requests when AuthDigestNcCheck is enabled or AuthDigestNonceLifetime is set to 0. Users are recommended to upgrade to version 2.4.69, which fixes this issue.

Technical Details

CVSS Version: 3.1
CNA / NVD Source: security@apache.org
Published: 02-Oct-2026 00:17
Last Modified: 06-Oct-2026 00:39
EPSS Date: 2026-10-13
CWE: CWE-416

CVSS Vector


            CVSS:3.1                            AV:N /
                            AC:L /
                            PR:N /
                            UI:N /
                            S:U /
                            C:L /
                            I:L /
                            A:L

Affected Products / Versions

apache / http_server
Version / affected range: * · from (inclusive) 2.4.0 · before (exclusive) 2.4.69
cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:*

References

Last enrichment sync: 14-Oct-2026 21:18
Sources: NVD · FIRST EPSS · CISA KEV
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Reported Context (1)

CVE-2026-73637 Microsoft October 2026 Updates Fix 1,411 Flaws, Including Three Zero-Days

CVE (1235)

People (2)

MITRE ATT&CK (1)

Vendors (14)

Products (87)

Tools (1)

Note: Related entities, including threat actors, malware, CVEs, MITRE ATT&CK techniques, vendors, products, tools, countries, and industries, are shown when they appear in the same reporting. Their presence does not necessarily mean they were targeted, compromised, vulnerable, responsible for the activity, or directly involved in the incident.