CVE-2021-27056

Description

References

• msrc.microsoft.com/update-guide/vulnerability/CVE-2021-27056
• portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-27056 · Patch
• zerodayinitiative.com/advisories/ZDI-21-333 · Third Party Advisory

Autres vulnérabilités de office

• CVE-2026-70105ÉLEVÉE 7.5Improper input validation in Microsoft Office Word allows an unauthorized attacker to disclose information over a network.
• CVE-2026-55054MOYENNE 6.5Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network.
• CVE-2026-47293ÉLEVÉE 7.0Use after free in Microsoft Office Click-To-Run allows an authorized attacker to elevate privileges locally.
• CVE-2026-42832MOYENNE 5.5Improper access control in Microsoft Office allows an unauthorized attacker to perform spoofing locally.
• CVE-2026-42831ÉLEVÉE 7.8Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.