| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.1 | $0-$5k | 0.00 |
Summary
A vulnerability classified as critical was found in Microsoft Word. The affected element is an unknown function. The manipulation results in out-of-bounds. This vulnerability is known as CVE-2026-20944. It is possible to launch the attack remotely. No exploit is available. It is best practice to apply a patch to resolve this issue.
Details
A vulnerability classified as critical has been found in Microsoft Word (version unknown). Affected is an unknown function. The manipulation with an unknown input leads to a out-of-bounds vulnerability. CWE is classifying the issue as CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:
Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to execute code locally.
The weakness was published 01/13/2026 as confirmed security update guide (Website). The advisory is available at msrc.microsoft.com. This vulnerability is traded as CVE-2026-20944. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 01/17/2026).
Applying a patch is able to eliminate this problem. A possible mitigation has been published immediately after the disclosure of the vulnerability.
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Product
Type
Vendor
Name
License
Website
- Vendor: https://www.microsoft.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.7VulDB Meta Temp Score: 7.1
VulDB Base Score: 6.3
VulDB Temp Score: 5.5
VulDB Vector: 🔒
VulDB Reliability: 🔍
Vendor Base Score (Microsoft): 8.4
Vendor Vector (Microsoft): 🔒
CNA Base Score: 8.4
CNA Vector (Microsoft): 🔒
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Out-of-boundsCWE: CWE-125 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒
Physical: Partially
Local: Yes
Remote: Yes
Availability: 🔒
Status: Unproven
EPSS Score: 🔒
EPSS Percentile: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
Reaction Time: 🔒
0-Day Time: 🔒
Exposure Time: 🔒
Timeline
01/13/2026 VulDB entry created01/13/2026 Advisory disclosed
01/13/2026 Countermeasure disclosed
01/17/2026 VulDB entry last update
Sources
Vendor: microsoft.comAdvisory: msrc.microsoft.com
Status: Confirmed
CVE: CVE-2026-20944 (🔒)
GCVE (CVE): GCVE-0-2026-20944
GCVE (VulDB): GCVE-100-340830
Entry
Created: 01/13/2026 19:50Updated: 01/17/2026 06:59
Changes: 01/13/2026 19:50 (30), 01/13/2026 19:53 (38), 01/17/2026 06:59 (12)
Complete: 🔍
Cache ID: 216::103
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