CVE-2026-88203
MediumCVSS 6.5Exploitation Probability (EPSS)
Elevated risk57th percentile - higher than 57% of all known CVEs
Summary
An untrusted pointer dereference in Microsoft Office PowerPoint allows an unauthorized attacker to disclose information over a network.
Risk Assessment
An unauthenticated attacker can remotely exploit the vulnerability to leak information from PowerPoint process memory.
Recommendation
Update Microsoft Office to the latest version containing the fix. Avoid opening untrusted PowerPoint presentations.
Other vulnerabilities in Microsoft Office PowerPoint
See all- CVE-2026-41102High
Improper access control in Microsoft Office PowerPoint allows an authorized attacker to perform spoofing locally.
- CVE-2026-88178Critical
Use-after-free vulnerability in Microsoft Office PowerPoint allows an unauthorized attacker to execute code over a network.
- CVE-2026-108455Medium
Out-of-bounds read in Microsoft Office PowerPoint allows an unauthorized attacker to disclose information over a network.
- CVE-2026-108454Medium
Buffer over-read in Microsoft Office PowerPoint allows an unauthorized attacker to disclose information over a network.
- CVE-2026-108453Medium
Out-of-bounds read in Microsoft Office PowerPoint allows an unauthorized attacker to disclose information over a network.
- CVE-2026-97744Medium
Out-of-bounds read in Microsoft Office PowerPoint allows an unauthorized attacker to disclose information locally. The attacker can read data outside the intended memory bounds.
- CVE-2026-97005Medium
Out-of-bounds read in Microsoft Office PowerPoint allows an unauthorized attacker to disclose information locally.
- CVE-2026-88207High
Heap-based buffer overflow in Microsoft Office PowerPoint allows an unauthorized attacker to execute code over a network.
- CVE-2026-88183Medium
An out-of-bounds read vulnerability in Microsoft Office PowerPoint allows an unauthorized attacker to disclose information over a network.
- CVE-2026-88144High
A use after free vulnerability in Microsoft Office PowerPoint allows an unauthorized attacker to execute code over a network.
Original NVD description (English source)
Untrusted pointer dereference in Microsoft Office PowerPoint allows an unauthorized attacker to disclose information over a network.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS