CVE-2023-26818

MEDIUMNVD 5.55.5—Elevated

5.5

Telegram 9.3.1 and 9.4.0 allows attackers to access restricted files, microphone ,or video recording via the DYLD_INSERT_LIBRARIES flag.

CVSS v3: 5.5
EG Score: 5.5(medium)
EPSS: 41.2%
KEV: Not listed

Published

May 19, 2023

Last Modified

January 21, 2025

References (4)

cve@mitrehttp://telegram.com
cve@mitrehttps://danrevah.github.io/2023/05/15/CVE-2023-26818-Bypass-TCC-with-Telegram/
af854a3a-2127-422b-91ae-364da2661108http://telegram.com
af854a3a-2127-422b-91ae-364da2661108https://danrevah.github.io/2023/05/15/CVE-2023-26818-Bypass-TCC-with-Telegram/

Weakness Classification(1)

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

CWE-863Incorrect Authorization

Data Freshness Timeline

(refreshed 14× in last 7d / 54× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

2026-06-23 21:31 UTCEPSS rescore
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2026-06-08 14:15 UTCEPSS rescore
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2026-06-07 15:23 UTCEPSS rescore
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2026-06-06 13:46 UTCEPSS rescore
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2026-05-31 22:29 UTCEPSS rescore
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2026-05-26 07:17 UTCEPSS rescore
2026-05-25 00:51 UTCEG score recompute
2026-05-25 00:51 UTCGHSA enrichment

Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 GitHub PoC). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

GitHub PoCZeyad-Azima/CVE-2023-26818
First seen Aug 30, 2023
CVE-2023-26818 Exploit MacOS TCC Bypass W/ Telegram
Open source ↗

Frequently asked(5)

What is CVE-2023-26818?

CVE-2023-26818 is a medium vulnerability published on May 19, 2023. Telegram 9.3.1 and 9.4.0 allows attackers to access restricted files, microphone ,or video recording via the DYLDINSERTLIBRARIES flag.

When was CVE-2023-26818 disclosed?

CVE-2023-26818 was first published in the National Vulnerability Database on May 19, 2023, with the most recent update on January 21, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-26818 actively exploited?

CVE-2023-26818 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 41.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-26818?

CVE-2023-26818 has a CVSS v3 base score of 5.5 (NVD).

How do I remediate CVE-2023-26818?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-26818, 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-2023-26818

📅 Published

🔄 Last Modified

🔗 References (4)

Weakness Classification(1)

Data Freshness Timeline

Publicly available exploits

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2023-26818?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (4)

Frequently asked(5)

Related CVEs(same CWE)