Type Vulnerability
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 · Memory corruption
Out-of-bounds read in Windows Paint allows an unauthorized attacker to execute code over a network
CVE-2026-83844
What this means
This is rated high severity (7 out of 10). There is no confirmed exploitation of it yet. Ask IT whether the affected products are in your estate.
Full vendor description
Out-of-bounds read in Windows Paint allows an unauthorized attacker to execute code locally.
Scoring and exploitation
7.0/ 10
CVSS 3.1 base scoreHigh
Exploitable only with local access without any account, under specific conditions, but only if a user takes an action, such as opening a file or link. High impact on confidentiality, integrity and availability.
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Exploitability
Longer bar: easier to attack
Attack vectorLocalAV:L
Attack complexityHighAC:H
Privileges requiredNonePR:N
User interactionRequiredUI:R
ScopeUnchangedS:U
Impact
Longer bar: more harm
ConfidentialityHighC:H
IntegrityHighI:H
AvailabilityHighA:H
- ~0.4% estimated chance of attack in 30 daysModel estimate (): a probability signal, not confirmed exploitation
- Exploited in the wild
- Not confirmed in the
- Not reported
Weaknesses
CWE-125
References
1 link from the CVE record, grouped by site.
msrc.microsoft.com1 link