{"@odata.context":"https://api.msrc.microsoft.com/sug/v2.0/sugodata/v2.0/en-US/$metadata#vulnerability/$entity","id":"00000000-0000-0000-0000-0000c54e7696","releaseDate":"2026-10-13T07:00:00-07:00","cveNumber":"CVE-2026-83844","cveTitle":"Windows Paint Remote Code Execution Vulnerability","releaseNumber":"2026-Oct","vulnType":"Security Vulnerability","latestRevisionDate":"2026-11-06T08:00:00-08:00","description":"<p>Out-of-bounds read in Windows Paint allows an unauthorized attacker to execute code over a network.</p>\n","cweList":["CWE-125: Out-of-bounds Read"],"cweDetailsListForSearch":["cwe: CWE-125: Out-of-bounds Read","cweUrl: https://cwe.mitre.org/data/definitions/125.html"],"unformattedDescription":"<p>Out-of-bounds read in Windows Paint allows an unauthorized attacker to execute code over a network.</p>","mitreText":"CVE-2026-83844","mitreUrl":"https://www.cve.org/CVERecord?id=CVE-2026-83844","publiclyDisclosed":"No","exploited":"No","latestSoftwareReleaseId":2,"latestSoftwareRelease":"Exploitation Less Likely","olderSoftwareReleaseId":0,"denialOfService":"N/A","tag":"Windows Paint","issuingCna":"Microsoft","issuingCnaId":100000001,"severityId":100000001,"severity":"Important","impactId":100000005,"impact":"Remote Code Execution","langCode":"en-US","baseScore":"8.1","temporalScore":"7.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","vectorStringSource":"Microsoft","isMariner":false,"customerActionRequired":true,"customerActionRequiredId":1,"cweDetailsList":[{"keys":["cwe","cweUrl"],"values":["CWE-125: Out-of-bounds Read","https://cwe.mitre.org/data/definitions/125.html"]}],"articles":[{"articleType":"FAQ","description":"<p><strong>According to the CVSS metric, the attack complexity is high (AC:H). What does that mean for this vulnerability?</strong></p>\n<p>Successful exploitation of this vulnerability requires an attacker to have a deep understanding of the system. Successful exploitation is not guaranteed and depends on a combination of factors that might include the environment, system configuration, and the presence of additional security measures.</p>\n","ordinal":10000},{"articleType":"FAQ","description":"<p><strong>How could an attacker exploit this vulnerability?</strong></p>\n<p>An unauthenticated attacker could exploit this vulnerability by sending a specially crafted packet to an affected service over the network. Successful exploitation could allow the attacker to execute code on the target system. No authentication or user interaction is required..</p>\n","ordinal":10000},{"title":"Windows Paint Remote Code Execution Vulnerability","articleType":"100000000","description":"<p>Out-of-bounds read in Windows Paint allows an unauthorized attacker to execute code over a network.</p>\n","ordinal":10000},{"title":"Windows Paint Remote Code Execution Vulnerability","articleType":"100000000","description":"<p>Out-of-bounds read in Windows Paint allows an unauthorized attacker to execute code over a network.</p>\n","ordinal":10000}],"revisions":[{"cveNumber":"CVE-2026-83844","version":1,"revisionDate":"2026-10-13T07:00:00-07:00","initialDate":"0001-01-01T00:00:00Z","description":"<p>Information published.</p>\n","unformattedDescription":"Information published.","notificationNeeded":false,"notificationSent":false,"sourceId":"f63e6043-93a5-f111-93a1-000d3ac5fb71"},{"cveNumber":"CVE-2026-83844","version":2,"revisionDate":"2026-11-06T08:00:00-08:00","initialDate":"0001-01-01T00:00:00Z","description":"<p>To comprehensively address the vulnerability identified by this CVE, Microsoft has released a new version of Paint with build version number 11.2609.401.0.  Microsoft recommends installing this new version or ensuring that it was automatically updated.</p>\n","unformattedDescription":"To comprehensively address the vulnerability identified by this CVE, Microsoft has released a new version of Paint with build version number 11.2609.401.0.  Microsoft recommends installing this new version or ensuring that it was automatically updated.","notificationNeeded":true,"notificationSent":false,"sourceId":"4772fcdb-2bda-f111-a05a-7ced8d6dc6d1"}]}