{"id":"CVE-2026-40953","state":"PUBLISHED","title":"Heap overflow in Secure Access clients","description":"CVE-2026-40953 is a heap overflow in the\ncertificate parsing function of Secure Access clients prior to 14.55. Attackers\nwith local access and administrator permissions can create a denial of service\nattack against the client over which they have control.","publishedAt":"2026-07-15T19:40:50.435Z","updatedAt":"2026-07-16T13:15:46.358Z","severity":{"score":6.7,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","source":"Absolute"},"assigner":"Absolute","products":["Absolute Security Secure Access"],"affected":[{"vendor":"Absolute Security","product":"Secure Access","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"14.55","versionType":"Client"}]}],"references":["https://www.absolute.com/platform/security-information/vulnerability-archive/cve-2026-40953"],"weaknesses":["CWE-787"],"ingestedAt":"2026-10-29T20:11:57.932Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/40xxx/CVE-2026-40953.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-40953","state":"PUBLISHED","datePublished":"2026-07-15T19:40:50.435Z","dateUpdated":"2026-07-16T13:15:46.358Z","assignerShortName":"Absolute","assignerOrgId":"b6533044-ea05-4482-8458-7bddeca0d079","dateReserved":"2026-04-16T00:19:03.573Z"},"containers":{"cna":{"title":"Heap overflow in Secure Access clients","descriptions":[{"lang":"en","value":"CVE-2026-40953 is a heap overflow in the\ncertificate parsing function of Secure Access clients prior to 14.55. Attackers\nwith local access and administrator permissions can create a denial of service\nattack against the client over which they have control."}],"affected":[{"vendor":"Absolute Security","product":"Secure Access","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"14.55","versionType":"Client"}]}],"references":[{"url":"https://www.absolute.com/platform/security-information/vulnerability-archive/cve-2026-40953"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"LOCAL","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"HIGH","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","subConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","subIntegrityImpact":"NONE","vulnAvailabilityImpact":"HIGH","subAvailabilityImpact":"NONE","exploitMaturity":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED","version":"4.0","baseSeverity":"MEDIUM","baseScore":6.7,"vectorString":"CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"}}],"providerMetadata":{"shortName":"Absolute","orgId":"b6533044-ea05-4482-8458-7bddeca0d079","dateUpdated":"2026-07-15T19:40:50.435Z"},"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 1.0.2"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-07-16T13:15:31.920768Z","id":"CVE-2026-40953","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-787","type":"CWE","lang":"en","description":"CWE-787 Out-of-bounds Write"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-07-16T13:15:46.358Z"}}]}}}