CVE-2023-44077

CRITICALNVD 9.89.8—

9.8

Studio Network Solutions ShareBrowser before 7.0 on macOS mishandles signature verification, aka PMP-2636.

CVSS v3: 9.8
EG Score: 9.8(medium)
EPSS: 23.5%
KEV: Not listed

Published

January 17, 2024

Last Modified

June 17, 2025

References (4)

cve@mitrehttps://khronokernel.com/macos/2024/01/18/CVE-2023-44077.html
cve@mitrehttps://support.studionetworksolutions.com/hc/en-us/articles/22494658980244-ShareBrowser-v-7-0-Released
af854a3a-2127-422b-91ae-364da2661108https://khronokernel.com/macos/2024/01/18/CVE-2023-44077.html
af854a3a-2127-422b-91ae-364da2661108https://support.studionetworksolutions.com/hc/en-us/articles/22494658980244-ShareBrowser-v-7-0-Released

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-347Improper Verification of Cryptographic Signature

Data Freshness Timeline

(refreshed 10× in last 7d / 19× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:12 UTCepss_batch
2026-06-02 20:12 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-29 13:43 UTCepss_batch
2026-05-29 13:43 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-24 10:05 UTCEG score recompute
2026-05-24 10:05 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2023-44077?

CVE-2023-44077 is a critical vulnerability published on January 17, 2024. Studio Network Solutions ShareBrowser before 7.0 on macOS mishandles signature verification, aka PMP-2636.

When was CVE-2023-44077 disclosed?

CVE-2023-44077 was first published in the National Vulnerability Database on January 17, 2024, with the most recent update on June 17, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-44077 actively exploited?

CVE-2023-44077 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 23.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-44077?

CVE-2023-44077 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2023-44077?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-44077, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2023-44077

📅 Published

🔄 Last Modified

🔗 References (4)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2023-44077?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (4)

Frequently asked(5)

Related CVEs(same CWE)