Microsoft Office 2019/LTSC/LTSC 2021/LTSC 2024 Excel use after free
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.1 | $5k-$25k | 0.00 |
Summary
A vulnerability was found in Microsoft Office 2019/LTSC/LTSC 2021/LTSC 2024. It has been rated as critical. Affected by this vulnerability is an unknown functionality of the component Excel. This manipulation causes use after free. This vulnerability is handled as CVE-2026-32198. The attack can be initiated remotely. There is not any exploit available. Upgrading the affected component is advised.
Details
A vulnerability has been found in Microsoft Office 2019/LTSC/LTSC 2021/LTSC 2024 and classified as critical. Affected by this vulnerability is an unknown function of the component Excel. The manipulation with an unknown input leads to a use after free vulnerability. The CWE definition for the vulnerability is CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. As an impact it is known to affect confidentiality, integrity, and availability.
The weakness was released 04/14/2026 as confirmed security update guide (Website). It is possible to read the advisory at msrc.microsoft.com. This vulnerability is known as CVE-2026-32198. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 04/14/2026).
Upgrading to version 16.0.5548.1000, 16.0.10417.20113 or 16.108.26041219 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.
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Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://www.microsoft.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.0VulDB Meta Temp Score: 6.1
VulDB Base Score: 6.3
VulDB Temp Score: 5.5
VulDB Vector: 🔒
VulDB Reliability: 🔍
Vendor Base Score (Microsoft): 7.8
Vendor 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: Use after freeCWE: CWE-416 / 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: UpgradeStatus: 🔍
Reaction Time: 🔒
0-Day Time: 🔒
Exposure Time: 🔒
Upgrade: Office 16.0.5548.1000/16.0.10417.20113/16.108.26041219
Timeline
04/14/2026 VulDB entry created04/14/2026 Advisory disclosed
04/14/2026 Countermeasure disclosed
04/14/2026 VulDB entry last update
Sources
Vendor: microsoft.comAdvisory: msrc.microsoft.com
Status: Confirmed
CVE: CVE-2026-32198 (🔒)
GCVE (CVE): GCVE-0-2026-32198
GCVE (VulDB): GCVE-100-357511
Entry
Created: 04/14/2026 20:33Updated: 04/14/2026 20:37
Changes: 04/14/2026 20:33 (31), 04/14/2026 20:34 (3), 04/14/2026 20:37 (36)
Complete: 🔍
Cache ID: 216::103
Be aware that VulDB is the high quality source for vulnerability data.
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