{"id":"CVE-2023-26369","kind":"vulnerability","aliases":["CVE-2023-26369"],"related":[],"title":"Acrobat Reader versions 23.003.20284 (and earlier), 20.005.30516 (and earlier) and 20.005.30514 (and earlier) are…","description":"Acrobat Reader versions 23.003.20284 (and earlier), 20.005.30516 (and earlier) and 20.005.30514 (and earlier) are affected by an out-of-bounds write vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.","summary":"Adobe Acrobat and Reader contain an out-of-bounds write bug that lets a crafted file run code on the machine. CISA lists it as exploited in the wild.","severity":"high","cvss":7.8,"epss":null,"exploited":true,"exploited_at":"2023-09-14T00:00:00+00:00","products":[{"name":"Adobe Acrobat and Reader","fixed":[],"affected":"","ecosystem":"vendor"},{"name":"adobe acrobat","fixed":["20.005.30524"],"affected":">= 20.001.3005, < 20.005.30524","ecosystem":"vendor"},{"name":"adobe acrobat dc","fixed":["23.006.20320"],"affected":">= 15.007.20033, < 23.006.20320","ecosystem":"vendor"},{"name":"adobe acrobat reader","fixed":["20.005.30524"],"affected":">= 20.001.3005, < 20.005.30524","ecosystem":"vendor"},{"name":"adobe acrobat reader dc","fixed":["23.006.20320"],"affected":">= 15.007.20033, < 23.006.20320","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["adobe-acrobat","adobe-reader","exploited","macos","package","windows"],"not_affected_if":["unknown"],"how_to_check":null,"fix":"Apply the vendor mitigations per Adobe's advisory, or stop using the product if mitigations are unavailable (per CISA required action).","status":"open","published_at":"2023-09-13T09:15:13+00:00","first_seen_at":"2026-10-23T19:11:51+00:00","triaged_at":"2026-10-23T21:04:39+00:00","updated_at":"2026-10-23T22:29:04+00:00","category":"package","confidence":0.6,"triage":{"at":"2026-10-23T21:04:39Z","model":"claude-haiku-5-5","output":{"fix":"Apply the vendor mitigations per Adobe's advisory, or stop using the product if mitigations are unavailable (per CISA required action).","reach":"unknown","impact":"high","summary":"Adobe Acrobat and Reader contain an out-of-bounds write bug that lets a crafted file run code on the machine. CISA lists it as exploited in the wild.","category":"package","who_cares":["adobe-acrobat","adobe-reader","windows","macos"],"confidence":0.6,"needs_auth":"no","worst_case":"Attacker runs code on the victim's machine via a malicious PDF.","analyst_note":"Sources do not give affected or fixed versions or the patch; check Adobe's security bulletin for CVE-2023-26369 for versions and fixed builds.","how_to_check":"unknown","needs_analyst":true,"not_affected_if":["unknown"],"user_interaction":"yes","needs_special_setup":"unknown","severity_if_unknown":"high"},"cost_usd":0.000452,"input_tokens":2814,"output_tokens":341,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-2023':15A,18A '-26369':16A,19A '20.005.30514':11A,86C '20.005.30516':7A,82C '23.003.20284':4A,79C 'acrobat':1A,21A,25A,27A,30A,33A,38B,47B,76C 'adob':37B,40B,46B 'adobe':20A,24A,26A,29A,32A 'adobe-acrobat':36B 'adobe-read':39B 'affect':90C 'and':22A 'arbitrari':103C 'bound':55B,96C 'bug':57B 'cisa':68B 'code':64B,104C 'contain':50B 'context':108C 'could':100C 'craft':61B 'current':111C 'cve':14A,17A 'dc':28A,35A 'earlier':6A,9A,13A,81C,84C,88C 'execut':105C 'exploit':42B,72B,113C 'file':62B,128C 'interact':119C 'issu':116C 'let':59B 'list':69B 'machin':67B 'maco':43B 'malici':127C 'must':124C 'open':125C 'out-of-bound':52B,93C 'packag':44B 'reader':2A,23A,31A,34A,41B,49B,77C 'requir':117C 'result':101C 'run':63B 'user':112C,118C 'version':3A,78C 'victim':123C 'vulner':98C 'wild':75B 'window':45B 'write':56B,97C","nicknames":[],"mitigations":[],"who_affected":null,"tier":null,"verified":{},"analyst_revisit_at":null,"first_public_at":"2023-09-13T09:15:13+00:00","kev":{"dateAdded":"2023-09-14","dueDate":"2023-10-05","requiredAction":"Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.","knownRansomwareCampaignUse":"Unknown"},"cvss_vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","cvss_by":"psirt@adobe.com","poc_count":0,"sources":[{"source":"kev","external_id":"CVE-2023-26369","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2023-26369","severity":null,"published_at":"2023-09-14T00:00:00+00:00","modified_at":null,"first_seen_at":"2026-10-23T19:11:51+00:00","fetched_at":"2026-10-25T15:39:41+00:00","note":null},{"source":"nvd","external_id":"CVE-2023-26369","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-26369","severity":null,"published_at":"2023-09-13T09:15:13+00:00","modified_at":"2026-06-17T05:43:11+00:00","first_seen_at":"2026-10-23T22:29:04+00:00","fetched_at":"2026-10-23T22:29:04+00:00","note":null}],"documents":[],"notice":"Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai"}